Add BCP170

Author: mumian

articles/azure-resource-manager/bicep/bicep-core-diagnostics.md

@@ -171,7 +171,7 @@ If you need more information about a particular diagnostic code, select the **Fe
 | <a id='BCP167' />BCP167 | Error | Expected the "{" character or the "if" keyword at this location. |
 | <a id='BCP168' />BCP168 | Error | Length must not be a negative value. |
 | <a id='BCP169' />BCP169 | Error | Expected resource name to contain {expectedSlashCount} "/" character(s). The number of name segments must match the number of segments in the resource type. |
-| <a id='BCP170' />BCP170 | Error | Expected resource name to not contain any "/" characters. Child resources with a parent resource reference (via the parent property or via nesting) must not contain a fully qualified name. |
+| <a id='BCP170' />[BCP170](./diagnostics/bcp170.md) | Error | Expected resource name to not contain any "/" characters. Child resources with a parent resource reference (via the parent property or via nesting) must not contain a fully qualified name. |
 | <a id='BCP171' />BCP171 | Error | Resource type "{resourceType}" isn't a valid child resource of parent "{parentResourceType}". |
 | <a id='BCP172' />BCP172 | Error | The resource type can't be validated due to an error in parent resource "{resourceName}". |
 | <a id='BCP173' />BCP173 | Error | The property "{property}" can't be used in an existing resource declaration. |

articles/azure-resource-manager/bicep/diagnostics/bcp170.md

@@ -0,0 +1,67 @@
+---
+title: BCP170
+description: Expected resource name to not contain any "/" characters. Child resources with a parent resource reference (via the parent property or via nesting) must not contain a fully qualified name.
+ms.topic: reference
+ms.custom: devx-track-bicep
+ms.date: 02/20/2025
+---
+
+# Bicep diagnostic code - BCP170
+
+This diagnostic occurs in a child resource definition when the parent property is specified, yet a fully qualified name is still used for the child resource.
+
+## Description
+
+Expected resource name to not contain any "/" characters. Child resources with a parent resource reference (via the parent property or via nesting) must not contain a fully qualified name. For more information, see [Child resources](../child-resource-name-type.md).
+
+## Level
+
+Error
+
+## Solutions
+
+Don't use a fully qualified name with "/" characters.
+
+## Examples
+
+The following example raises the diagnostic because a fully qualified name is used for the child resource.
+
+```bicep
+resource demoStore0220 'Microsoft.Storage/storageAccounts@2023-05-01' = {
+  name: 'demoStore0220'
+  location: 'centralus'
+  sku: {
+    name: 'Standard_LRS'
+  }
+  kind: 'StorageV2' 
+}
+
+resource demoFileService0220 'Microsoft.Storage/storageAccounts/fileServices@2023-05-01' = {
+  parent: demoStore0220
+  name: 'demoStore0220/default'
+}
+```
+
+You can fix the diagnostic by updating the child resource name.  
+
+```bicep
+resource demoStore0220 'Microsoft.Storage/storageAccounts@2023-05-01' = {
+  name: 'demoStore0220'
+  location: 'centralus'
+  sku: {
+    name: 'Standard_LRS'
+  }
+  kind: 'StorageV2' 
+}
+
+resource demoFileService0220 'Microsoft.Storage/storageAccounts/fileServices@2023-05-01' = {
+  parent: demoStore0220
+  name: 'default'
+}
+```
+
+For more information, see [Decorators](../file.md#decorators).
+
+## Next steps
+
+For more information about Bicep diagnostics, see [Bicep core diagnostics](../bicep-core-diagnostics.md).