diff --git a/csfunctions/events/__init__.py b/csfunctions/events/__init__.py
index d6672ac..a7326a8 100644
--- a/csfunctions/events/__init__.py
+++ b/csfunctions/events/__init__.py
@@ -2,6 +2,7 @@
 
 from pydantic import Field
 
+from .bom_item_field_calculation import BOMItemFieldCalculationData, BOMItemFieldCalculationEvent
 from .custom_operations import (
     CustomOperationDocumentData,
     CustomOperationDocumentEvent,
@@ -37,6 +38,7 @@
     | PartReleasedEvent
     | PartReleaseCheckEvent
     | PartFieldCalculationEvent
+    | BOMItemFieldCalculationEvent
     | FieldValueCalculationEvent
     | DummyEvent
     | EngineeringChangeReleasedEvent
@@ -59,6 +61,7 @@
     | PartReleasedData
     | PartReleaseCheckData
     | PartFieldCalculationData
+    | BOMItemFieldCalculationData
     | FieldValueCalculationData
     | DummyEventData
     | EngineeringChangeReleasedData
@@ -81,6 +84,7 @@
     "PartReleasedEvent",
     "PartReleaseCheckEvent",
     "PartFieldCalculationEvent",
+    "BOMItemFieldCalculationEvent",
     "FieldValueCalculationEvent",
     "DummyEvent",
     "EngineeringChangeReleasedEvent",
@@ -91,6 +95,7 @@
     "DocumentFieldCalculationData",
     "PartReleasedData",
     "PartReleaseCheckData",
+    "BOMItemFieldCalculationData",
     "FieldValueCalculationData",
     "DummyEventData",
     "EngineeringChangeReleasedData",
diff --git a/csfunctions/events/base.py b/csfunctions/events/base.py
index 1d4f717..7d40a6e 100644
--- a/csfunctions/events/base.py
+++ b/csfunctions/events/base.py
@@ -11,6 +11,7 @@ class EventNames(str, Enum):
     PART_RELEASED = "part_released"
     PART_RELEASE_CHECK = "part_release_check"
     PART_FIELD_CALCULATION = "part_field_calculation"
+    BOM_ITEM_FIELD_CALCULATION = "bom_item_field_calculation"
     ENGINEERING_CHANGE_RELEASED = "engineering_change_released"
     ENGINEERING_CHANGE_RELEASE_CHECK = "engineering_change_release_check"
     FIELD_VALUE_CALCULATION = "field_value_calculation"
diff --git a/csfunctions/events/bom_item_field_calculation.py b/csfunctions/events/bom_item_field_calculation.py
new file mode 100644
index 0000000..db24c3f
--- /dev/null
+++ b/csfunctions/events/bom_item_field_calculation.py
@@ -0,0 +1,20 @@
+from typing import Literal
+
+from pydantic import BaseModel, Field
+
+from csfunctions.objects import BOMItem, Part
+from csfunctions.objects.document import Document
+
+from .base import BaseEvent, EventNames
+
+
+class BOMItemFieldCalculationData(BaseModel):
+    bom_item: BOMItem = Field(..., description="Current state of the BOM item")
+    action: Literal["create", "modify", "copy", "index"] = Field(..., description="Action being performed")
+    part: Part = Field(..., description="Part of the BOM item")
+    documents: list[Document] = Field(..., description="List of documents that are referenced by the part.")
+
+
+class BOMItemFieldCalculationEvent(BaseEvent):
+    name: Literal[EventNames.BOM_ITEM_FIELD_CALCULATION] = EventNames.BOM_ITEM_FIELD_CALCULATION
+    data: BOMItemFieldCalculationData
diff --git a/csfunctions/objects/part.py b/csfunctions/objects/part.py
index 9ea78bd..29428fe 100644
--- a/csfunctions/objects/part.py
+++ b/csfunctions/objects/part.py
@@ -234,6 +234,8 @@ class Material(BaseObject):
 class BOMItem(BaseObject):
     object_type: Literal[ObjectType.BOM_ITEM] = ObjectType.BOM_ITEM
 
+    cdb_object_id: str | None = Field(None, description="Object ID")
+
     baugruppe: str | None = Field(None, description="Assembly")
     b_index: str | None = Field(None, description="Assembly Index")
     component_materialnr_erp: str | None = Field(None, description="Material Number ERP Component")
@@ -247,3 +249,139 @@ class BOMItem(BaseObject):
     mengeneinheit: str | None = Field(None, description="Unit of Measure")
     teilenummer: str = Field(..., description="part number")
     t_index: str = Field(..., description="part index")
+
+    # Custom Char Fields
+    cca_char_bom_item_1: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_2: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_3: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_4: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_5: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_6: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_7: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_8: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_9: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_10: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_11: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_12: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_13: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_14: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_15: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_16: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_17: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_18: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_19: str | None = Field(None, description="Custom Char Field")
+    cca_char_bom_item_20: str | None = Field(None, description="Custom Char Field")
+    # Custom BigChar Fields
+    cca_bigchar_bom_item_1: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_2: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_3: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_4: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_5: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_6: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_7: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_8: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_9: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_10: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_11: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_12: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_13: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_14: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_15: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_16: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_17: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_18: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_19: str | None = Field(None, description="Custom BigChar Field")
+    cca_bigchar_bom_item_20: str | None = Field(None, description="Custom BigChar Field")
+    # Custom Integer Fields
+    cca_integer_bom_item_1: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_2: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_3: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_4: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_5: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_6: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_7: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_8: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_9: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_10: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_11: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_12: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_13: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_14: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_15: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_16: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_17: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_18: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_19: int | None = Field(None, description="Custom Integer Field")
+    cca_integer_bom_item_20: int | None = Field(None, description="Custom Integer Field")
+    # Custom Float Fields
+    cca_float_bom_item_1: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_2: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_3: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_4: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_5: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_6: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_7: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_8: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_9: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_10: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_11: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_12: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_13: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_14: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_15: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_16: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_17: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_18: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_19: float | None = Field(None, description="Custom Float Field")
+    cca_float_bom_item_20: float | None = Field(None, description="Custom Float Field")
+    # Custom Boolean Fields
+    cca_bool_bom_item_1: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_2: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_3: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_4: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_5: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_6: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_7: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_8: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_9: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_10: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_11: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_12: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_13: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_14: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_15: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_16: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_17: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_18: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_19: bool | None = Field(None, description="Custom Boolean Field")
+    cca_bool_bom_item_20: bool | None = Field(None, description="Custom Boolean Field")
+    # Custom Date Fields
+    cca_date_bom_item_1: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_2: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_3: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_4: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_5: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_6: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_7: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_8: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_9: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_10: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_11: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_12: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_13: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_14: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_15: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_16: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_17: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_18: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_19: datetime | None = Field(None, description="Custom Date Field")
+    cca_date_bom_item_20: datetime | None = Field(None, description="Custom Date Field")
+
+    part: Part | None = Field(None, description="Part of the BOM item", exclude=True)
+
+    def link_objects(self, data: "EventData"):
+        parts = get_items_of_type(data, Part)
+        for part in parts:
+            if part.teilenummer == self.teilenummer and part.t_index == self.t_index:
+                self.part = part
+                break
diff --git a/csfunctions/util.py b/csfunctions/util.py
index 50f2d67..bc66f84 100644
--- a/csfunctions/util.py
+++ b/csfunctions/util.py
@@ -26,4 +26,6 @@ def get_items_of_type(model: BaseModel, target_type: type[T]) -> list[T]:
             for item in attr:
                 if isinstance(item, target_type):
                     items.append(item)
+        elif isinstance(attr, target_type):
+            items.append(attr)
     return items
diff --git a/docs/reference/events.md b/docs/reference/events.md
index 452e395..33856c1 100644
--- a/docs/reference/events.md
+++ b/docs/reference/events.md
@@ -265,6 +265,25 @@ The event expects a DataResponse containing a dictionary of field names and thei
 | documents | list[[Document](objects.md#document)]        | List of documents that belong to the part |
 
 
+## BOMItemFieldCalculationEvent
+`csfunctions.events.BOMItemFieldCalculationEvent`
+
+This event is fired when a BOM item is created, modified, copied or indexed. It is triggered after the field calculations defined in the datasheet editor are performed.
+
+The event expects a DataResponse containing a dictionary of field names and their new values. Fields that are not mentioned in the response are not updated.
+
+**BOMItemFieldCalculationEvent.name:** bom_item_field_calculation
+
+**BOMItemFieldCalculationEvent.data:**
+
+| Attribute | Type                                         | Description                                        |
+| --------- | -------------------------------------------- | -------------------------------------------------- |
+| bom_item  | [BOMItem](objects.md#bomitem)                | Current state of the BOM item                      |
+| action    | Literal["create", "modify", "copy", "index"] | Action being performed                             |
+| part      | [Part](objects.md#part)                      | Part of the BOM item                               |
+| documents | list[[Document](objects.md#document)]        | List of documents that are referenced by the part. |
+
+
 ## WorkflowTaskTriggerEvent
 `csfunctions.events.WorkflowTaskTriggerEvent`
 
diff --git a/docs/reference/objects.md b/docs/reference/objects.md
index c8bda9a..20ab890 100644
--- a/docs/reference/objects.md
+++ b/docs/reference/objects.md
@@ -17,6 +17,127 @@
 |mengeneinheit|str \| None|Unit of Measure|
 |teilenummer|str|part number|
 |t_index|str|part index|
+|cca_char_bom_item_1|str \| None|Custom Char Field|
+|cca_char_bom_item_2|str \| None|Custom Char Field|
+|cca_char_bom_item_3|str \| None|Custom Char Field|
+|cca_char_bom_item_4|str \| None|Custom Char Field|
+|cca_char_bom_item_5|str \| None|Custom Char Field|
+|cca_char_bom_item_6|str \| None|Custom Char Field|
+|cca_char_bom_item_7|str \| None|Custom Char Field|
+|cca_char_bom_item_8|str \| None|Custom Char Field|
+|cca_char_bom_item_9|str \| None|Custom Char Field|
+|cca_char_bom_item_10|str \| None|Custom Char Field|
+|cca_char_bom_item_11|str \| None|Custom Char Field|
+|cca_char_bom_item_12|str \| None|Custom Char Field|
+|cca_char_bom_item_13|str \| None|Custom Char Field|
+|cca_char_bom_item_14|str \| None|Custom Char Field|
+|cca_char_bom_item_15|str \| None|Custom Char Field|
+|cca_char_bom_item_16|str \| None|Custom Char Field|
+|cca_char_bom_item_17|str \| None|Custom Char Field|
+|cca_char_bom_item_18|str \| None|Custom Char Field|
+|cca_char_bom_item_19|str \| None|Custom Char Field|
+|cca_char_bom_item_20|str \| None|Custom Char Field|
+|cca_bigchar_bom_item_1|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_2|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_3|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_4|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_5|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_6|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_7|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_8|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_9|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_10|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_11|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_12|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_13|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_14|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_15|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_16|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_17|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_18|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_19|str \| None|Custom BigChar Field|
+|cca_bigchar_bom_item_20|str \| None|Custom BigChar Field|
+|cca_integer_bom_item_1|int \| None|Custom Integer Field|
+|cca_integer_bom_item_2|int \| None|Custom Integer Field|
+|cca_integer_bom_item_3|int \| None|Custom Integer Field|
+|cca_integer_bom_item_4|int \| None|Custom Integer Field|
+|cca_integer_bom_item_5|int \| None|Custom Integer Field|
+|cca_integer_bom_item_6|int \| None|Custom Integer Field|
+|cca_integer_bom_item_7|int \| None|Custom Integer Field|
+|cca_integer_bom_item_8|int \| None|Custom Integer Field|
+|cca_integer_bom_item_9|int \| None|Custom Integer Field|
+|cca_integer_bom_item_10|int \| None|Custom Integer Field|
+|cca_integer_bom_item_11|int \| None|Custom Integer Field|
+|cca_integer_bom_item_12|int \| None|Custom Integer Field|
+|cca_integer_bom_item_13|int \| None|Custom Integer Field|
+|cca_integer_bom_item_14|int \| None|Custom Integer Field|
+|cca_integer_bom_item_15|int \| None|Custom Integer Field|
+|cca_integer_bom_item_16|int \| None|Custom Integer Field|
+|cca_integer_bom_item_17|int \| None|Custom Integer Field|
+|cca_integer_bom_item_18|int \| None|Custom Integer Field|
+|cca_integer_bom_item_19|int \| None|Custom Integer Field|
+|cca_integer_bom_item_20|int \| None|Custom Integer Field|
+|cca_float_bom_item_1|float \| None|Custom Float Field|
+|cca_float_bom_item_2|float \| None|Custom Float Field|
+|cca_float_bom_item_3|float \| None|Custom Float Field|
+|cca_float_bom_item_4|float \| None|Custom Float Field|
+|cca_float_bom_item_5|float \| None|Custom Float Field|
+|cca_float_bom_item_6|float \| None|Custom Float Field|
+|cca_float_bom_item_7|float \| None|Custom Float Field|
+|cca_float_bom_item_8|float \| None|Custom Float Field|
+|cca_float_bom_item_9|float \| None|Custom Float Field|
+|cca_float_bom_item_10|float \| None|Custom Float Field|
+|cca_float_bom_item_11|float \| None|Custom Float Field|
+|cca_float_bom_item_12|float \| None|Custom Float Field|
+|cca_float_bom_item_13|float \| None|Custom Float Field|
+|cca_float_bom_item_14|float \| None|Custom Float Field|
+|cca_float_bom_item_15|float \| None|Custom Float Field|
+|cca_float_bom_item_16|float \| None|Custom Float Field|
+|cca_float_bom_item_17|float \| None|Custom Float Field|
+|cca_float_bom_item_18|float \| None|Custom Float Field|
+|cca_float_bom_item_19|float \| None|Custom Float Field|
+|cca_float_bom_item_20|float \| None|Custom Float Field|
+|cca_bool_bom_item_1|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_2|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_3|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_4|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_5|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_6|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_7|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_8|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_9|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_10|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_11|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_12|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_13|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_14|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_15|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_16|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_17|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_18|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_19|bool \| None|Custom Boolean Field|
+|cca_bool_bom_item_20|bool \| None|Custom Boolean Field|
+|cca_date_bom_item_1|datetime \| None|Custom Date Field|
+|cca_date_bom_item_2|datetime \| None|Custom Date Field|
+|cca_date_bom_item_3|datetime \| None|Custom Date Field|
+|cca_date_bom_item_4|datetime \| None|Custom Date Field|
+|cca_date_bom_item_5|datetime \| None|Custom Date Field|
+|cca_date_bom_item_6|datetime \| None|Custom Date Field|
+|cca_date_bom_item_7|datetime \| None|Custom Date Field|
+|cca_date_bom_item_8|datetime \| None|Custom Date Field|
+|cca_date_bom_item_9|datetime \| None|Custom Date Field|
+|cca_date_bom_item_10|datetime \| None|Custom Date Field|
+|cca_date_bom_item_11|datetime \| None|Custom Date Field|
+|cca_date_bom_item_12|datetime \| None|Custom Date Field|
+|cca_date_bom_item_13|datetime \| None|Custom Date Field|
+|cca_date_bom_item_14|datetime \| None|Custom Date Field|
+|cca_date_bom_item_15|datetime \| None|Custom Date Field|
+|cca_date_bom_item_16|datetime \| None|Custom Date Field|
+|cca_date_bom_item_17|datetime \| None|Custom Date Field|
+|cca_date_bom_item_18|datetime \| None|Custom Date Field|
+|cca_date_bom_item_19|datetime \| None|Custom Date Field|
+|cca_date_bom_item_20|datetime \| None|Custom Date Field|
+|part|[Part](objects.md#part) \| None|Part of the BOM item|
 
 ## Briefcase
 `csfunctions.objects.Briefcase`
diff --git a/json_schemas/request.json b/json_schemas/request.json
index 3ed5a7d..bc3d6e1 100644
--- a/json_schemas/request.json
+++ b/json_schemas/request.json
@@ -1,5 +1,1842 @@
 {
   "$defs": {
+    "BOMItem": {
+      "properties": {
+        "object_type": {
+          "const": "bom_item",
+          "default": "bom_item",
+          "title": "Object Type",
+          "type": "string"
+        },
+        "cdb_object_id": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Object ID",
+          "title": "Cdb Object Id"
+        },
+        "baugruppe": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Assembly",
+          "title": "Baugruppe"
+        },
+        "b_index": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Assembly Index",
+          "title": "B Index"
+        },
+        "component_materialnr_erp": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Material Number ERP Component",
+          "title": "Component Materialnr Erp"
+        },
+        "netto_durchm": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Net. Diameter",
+          "title": "Netto Durchm"
+        },
+        "netto_hoehe": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Net. Height",
+          "title": "Netto Hoehe"
+        },
+        "netto_laenge": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Net. Length",
+          "title": "Netto Laenge"
+        },
+        "netto_breite": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Net. Width",
+          "title": "Netto Breite"
+        },
+        "position": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Position",
+          "title": "Position"
+        },
+        "menge": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Quantity",
+          "title": "Menge"
+        },
+        "stlbemerkung": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Remarks",
+          "title": "Stlbemerkung"
+        },
+        "mengeneinheit": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Unit of Measure",
+          "title": "Mengeneinheit"
+        },
+        "teilenummer": {
+          "description": "part number",
+          "title": "Teilenummer",
+          "type": "string"
+        },
+        "t_index": {
+          "description": "part index",
+          "title": "T Index",
+          "type": "string"
+        },
+        "cca_char_bom_item_1": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 1"
+        },
+        "cca_char_bom_item_2": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 2"
+        },
+        "cca_char_bom_item_3": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 3"
+        },
+        "cca_char_bom_item_4": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 4"
+        },
+        "cca_char_bom_item_5": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 5"
+        },
+        "cca_char_bom_item_6": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 6"
+        },
+        "cca_char_bom_item_7": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 7"
+        },
+        "cca_char_bom_item_8": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 8"
+        },
+        "cca_char_bom_item_9": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 9"
+        },
+        "cca_char_bom_item_10": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 10"
+        },
+        "cca_char_bom_item_11": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 11"
+        },
+        "cca_char_bom_item_12": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 12"
+        },
+        "cca_char_bom_item_13": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 13"
+        },
+        "cca_char_bom_item_14": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 14"
+        },
+        "cca_char_bom_item_15": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 15"
+        },
+        "cca_char_bom_item_16": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 16"
+        },
+        "cca_char_bom_item_17": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 17"
+        },
+        "cca_char_bom_item_18": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 18"
+        },
+        "cca_char_bom_item_19": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 19"
+        },
+        "cca_char_bom_item_20": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Char Field",
+          "title": "Cca Char Bom Item 20"
+        },
+        "cca_bigchar_bom_item_1": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 1"
+        },
+        "cca_bigchar_bom_item_2": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 2"
+        },
+        "cca_bigchar_bom_item_3": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 3"
+        },
+        "cca_bigchar_bom_item_4": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 4"
+        },
+        "cca_bigchar_bom_item_5": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 5"
+        },
+        "cca_bigchar_bom_item_6": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 6"
+        },
+        "cca_bigchar_bom_item_7": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 7"
+        },
+        "cca_bigchar_bom_item_8": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 8"
+        },
+        "cca_bigchar_bom_item_9": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 9"
+        },
+        "cca_bigchar_bom_item_10": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 10"
+        },
+        "cca_bigchar_bom_item_11": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 11"
+        },
+        "cca_bigchar_bom_item_12": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 12"
+        },
+        "cca_bigchar_bom_item_13": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 13"
+        },
+        "cca_bigchar_bom_item_14": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 14"
+        },
+        "cca_bigchar_bom_item_15": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 15"
+        },
+        "cca_bigchar_bom_item_16": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 16"
+        },
+        "cca_bigchar_bom_item_17": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 17"
+        },
+        "cca_bigchar_bom_item_18": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 18"
+        },
+        "cca_bigchar_bom_item_19": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 19"
+        },
+        "cca_bigchar_bom_item_20": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom BigChar Field",
+          "title": "Cca Bigchar Bom Item 20"
+        },
+        "cca_integer_bom_item_1": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 1"
+        },
+        "cca_integer_bom_item_2": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 2"
+        },
+        "cca_integer_bom_item_3": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 3"
+        },
+        "cca_integer_bom_item_4": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 4"
+        },
+        "cca_integer_bom_item_5": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 5"
+        },
+        "cca_integer_bom_item_6": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 6"
+        },
+        "cca_integer_bom_item_7": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 7"
+        },
+        "cca_integer_bom_item_8": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 8"
+        },
+        "cca_integer_bom_item_9": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 9"
+        },
+        "cca_integer_bom_item_10": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 10"
+        },
+        "cca_integer_bom_item_11": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 11"
+        },
+        "cca_integer_bom_item_12": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 12"
+        },
+        "cca_integer_bom_item_13": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 13"
+        },
+        "cca_integer_bom_item_14": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 14"
+        },
+        "cca_integer_bom_item_15": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 15"
+        },
+        "cca_integer_bom_item_16": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 16"
+        },
+        "cca_integer_bom_item_17": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 17"
+        },
+        "cca_integer_bom_item_18": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 18"
+        },
+        "cca_integer_bom_item_19": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 19"
+        },
+        "cca_integer_bom_item_20": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Integer Field",
+          "title": "Cca Integer Bom Item 20"
+        },
+        "cca_float_bom_item_1": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 1"
+        },
+        "cca_float_bom_item_2": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 2"
+        },
+        "cca_float_bom_item_3": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 3"
+        },
+        "cca_float_bom_item_4": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 4"
+        },
+        "cca_float_bom_item_5": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 5"
+        },
+        "cca_float_bom_item_6": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 6"
+        },
+        "cca_float_bom_item_7": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 7"
+        },
+        "cca_float_bom_item_8": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 8"
+        },
+        "cca_float_bom_item_9": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 9"
+        },
+        "cca_float_bom_item_10": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 10"
+        },
+        "cca_float_bom_item_11": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 11"
+        },
+        "cca_float_bom_item_12": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 12"
+        },
+        "cca_float_bom_item_13": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 13"
+        },
+        "cca_float_bom_item_14": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 14"
+        },
+        "cca_float_bom_item_15": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 15"
+        },
+        "cca_float_bom_item_16": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 16"
+        },
+        "cca_float_bom_item_17": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 17"
+        },
+        "cca_float_bom_item_18": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 18"
+        },
+        "cca_float_bom_item_19": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 19"
+        },
+        "cca_float_bom_item_20": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Float Field",
+          "title": "Cca Float Bom Item 20"
+        },
+        "cca_bool_bom_item_1": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 1"
+        },
+        "cca_bool_bom_item_2": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 2"
+        },
+        "cca_bool_bom_item_3": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 3"
+        },
+        "cca_bool_bom_item_4": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 4"
+        },
+        "cca_bool_bom_item_5": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 5"
+        },
+        "cca_bool_bom_item_6": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 6"
+        },
+        "cca_bool_bom_item_7": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 7"
+        },
+        "cca_bool_bom_item_8": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 8"
+        },
+        "cca_bool_bom_item_9": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 9"
+        },
+        "cca_bool_bom_item_10": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 10"
+        },
+        "cca_bool_bom_item_11": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 11"
+        },
+        "cca_bool_bom_item_12": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 12"
+        },
+        "cca_bool_bom_item_13": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 13"
+        },
+        "cca_bool_bom_item_14": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 14"
+        },
+        "cca_bool_bom_item_15": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 15"
+        },
+        "cca_bool_bom_item_16": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 16"
+        },
+        "cca_bool_bom_item_17": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 17"
+        },
+        "cca_bool_bom_item_18": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 18"
+        },
+        "cca_bool_bom_item_19": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 19"
+        },
+        "cca_bool_bom_item_20": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Boolean Field",
+          "title": "Cca Bool Bom Item 20"
+        },
+        "cca_date_bom_item_1": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 1"
+        },
+        "cca_date_bom_item_2": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 2"
+        },
+        "cca_date_bom_item_3": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 3"
+        },
+        "cca_date_bom_item_4": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 4"
+        },
+        "cca_date_bom_item_5": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 5"
+        },
+        "cca_date_bom_item_6": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 6"
+        },
+        "cca_date_bom_item_7": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 7"
+        },
+        "cca_date_bom_item_8": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 8"
+        },
+        "cca_date_bom_item_9": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 9"
+        },
+        "cca_date_bom_item_10": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 10"
+        },
+        "cca_date_bom_item_11": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 11"
+        },
+        "cca_date_bom_item_12": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 12"
+        },
+        "cca_date_bom_item_13": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 13"
+        },
+        "cca_date_bom_item_14": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 14"
+        },
+        "cca_date_bom_item_15": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 15"
+        },
+        "cca_date_bom_item_16": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 16"
+        },
+        "cca_date_bom_item_17": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 17"
+        },
+        "cca_date_bom_item_18": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 18"
+        },
+        "cca_date_bom_item_19": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 19"
+        },
+        "cca_date_bom_item_20": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Custom Date Field",
+          "title": "Cca Date Bom Item 20"
+        },
+        "part": {
+          "anyOf": [
+            {
+              "$ref": "#/$defs/Part"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Part of the BOM item"
+        }
+      },
+      "required": [
+        "teilenummer",
+        "t_index"
+      ],
+      "title": "BOMItem",
+      "type": "object"
+    },
+    "BOMItemFieldCalculationData": {
+      "properties": {
+        "bom_item": {
+          "$ref": "#/$defs/BOMItem",
+          "description": "Current state of the BOM item"
+        },
+        "action": {
+          "description": "Action being performed",
+          "enum": [
+            "create",
+            "modify",
+            "copy",
+            "index"
+          ],
+          "title": "Action",
+          "type": "string"
+        },
+        "part": {
+          "$ref": "#/$defs/Part",
+          "description": "Part of the BOM item"
+        },
+        "documents": {
+          "description": "List of documents that are referenced by the part.",
+          "items": {
+            "$ref": "#/$defs/Document"
+          },
+          "title": "Documents",
+          "type": "array"
+        }
+      },
+      "required": [
+        "bom_item",
+        "action",
+        "part",
+        "documents"
+      ],
+      "title": "BOMItemFieldCalculationData",
+      "type": "object"
+    },
+    "BOMItemFieldCalculationEvent": {
+      "properties": {
+        "name": {
+          "const": "bom_item_field_calculation",
+          "default": "bom_item_field_calculation",
+          "title": "Name",
+          "type": "string"
+        },
+        "event_id": {
+          "description": "unique identifier",
+          "title": "Event Id",
+          "type": "string"
+        },
+        "data": {
+          "$ref": "#/$defs/BOMItemFieldCalculationData"
+        }
+      },
+      "required": [
+        "event_id",
+        "data"
+      ],
+      "title": "BOMItemFieldCalculationEvent",
+      "type": "object"
+    },
     "Briefcase": {
       "description": "Briefcases are used by Workflows and can contain parts, documents or engineering changes.",
       "properties": {
@@ -8059,6 +9896,7 @@
     "event": {
       "discriminator": {
         "mapping": {
+          "bom_item_field_calculation": "#/$defs/BOMItemFieldCalculationEvent",
           "custom_operation_document": "#/$defs/CustomOperationDocumentEvent",
           "custom_operation_part": "#/$defs/CustomOperationPartEvent",
           "document_create_check": "#/$defs/DocumentCreateCheckEvent",
@@ -8100,6 +9938,9 @@
         {
           "$ref": "#/$defs/PartFieldCalculationEvent"
         },
+        {
+          "$ref": "#/$defs/BOMItemFieldCalculationEvent"
+        },
         {
           "$ref": "#/$defs/FieldValueCalculationEvent"
         },