diff --git a/specs/ingestion/common/schemas/transformation.yml b/specs/ingestion/common/schemas/transformation.yml
index f5d24c46e42..211737b9552 100644
--- a/specs/ingestion/common/schemas/transformation.yml
+++ b/specs/ingestion/common/schemas/transformation.yml
@@ -107,8 +107,6 @@ TransformationCreate:
       $ref: '#/AuthenticationIDs'
   required:
     - name
-    - type
-    - input
 
 TransformationCreateResponse:
   type: object
@@ -153,6 +151,10 @@ TransformationTry:
   properties:
     code:
       $ref: '#/Code'
+    type:
+      $ref: '#/TransformationType'
+    input:
+      $ref: '#/TransformationInput'
     sampleRecord:
       description: The record to apply the given code to.
       type: object
@@ -161,7 +163,6 @@ TransformationTry:
       items:
         $ref: './authentication.yml#/AuthenticationCreate'
   required:
-    - code
     - sampleRecord
 
 TransformationTryResponse:
diff --git a/tests/CTS/requests/ingestion/tryTransformation.json b/tests/CTS/requests/ingestion/tryTransformation.json
index bba7758a217..59610e25757 100644
--- a/tests/CTS/requests/ingestion/tryTransformation.json
+++ b/tests/CTS/requests/ingestion/tryTransformation.json
@@ -1,7 +1,8 @@
 [
   {
     "parameters": {
-      "code": "foo",
+      "type": "code",
+      "input": {"code": "foo"},
       "sampleRecord": {
         "bar": "baz"
       }
@@ -10,7 +11,8 @@
       "path": "/1/transformations/try",
       "method": "POST",
       "body": {
-        "code": "foo",
+        "type": "code",
+        "input": {"code": "foo"},
         "sampleRecord": {
           "bar": "baz"
         }
@@ -20,7 +22,8 @@
   {
     "testName": "with authentications",
     "parameters": {
-      "code": "foo",
+      "type": "code",
+      "input": {"code": "foo"},
       "sampleRecord": {
         "bar": "baz"
       },
@@ -40,7 +43,8 @@
       "path": "/1/transformations/try",
       "method": "POST",
       "body": {
-        "code": "foo",
+        "type": "code",
+        "input": {"code": "foo"},
         "sampleRecord": {
           "bar": "baz"
         },
diff --git a/tests/CTS/requests/ingestion/tryTransformationBeforeUpdate.json b/tests/CTS/requests/ingestion/tryTransformationBeforeUpdate.json
index 5ac39434f5c..bc74c740ab1 100644
--- a/tests/CTS/requests/ingestion/tryTransformationBeforeUpdate.json
+++ b/tests/CTS/requests/ingestion/tryTransformationBeforeUpdate.json
@@ -3,7 +3,8 @@
     "parameters": {
       "transformationID": "6c02aeb1-775e-418e-870b-1faccd4b2c0f",
       "transformationTry": {
-        "code": "foo",
+        "type": "code",
+        "input": {"code": "foo"},
         "sampleRecord": {
           "bar": "baz"
         }
@@ -13,7 +14,8 @@
       "path": "/1/transformations/6c02aeb1-775e-418e-870b-1faccd4b2c0f/try",
       "method": "POST",
       "body": {
-        "code": "foo",
+        "type": "code",
+        "input": {"code": "foo"},
         "sampleRecord": {
           "bar": "baz"
         }
@@ -25,7 +27,8 @@
     "parameters": {
       "transformationID": "6c02aeb1-775e-418e-870b-1faccd4b2c0f",
       "transformationTry": {
-        "code": "foo",
+        "type": "code",
+        "input": {"code": "foo"},
         "sampleRecord": {
           "bar": "baz"
         },
@@ -46,7 +49,8 @@
       "path": "/1/transformations/6c02aeb1-775e-418e-870b-1faccd4b2c0f/try",
       "method": "POST",
       "body": {
-        "code": "foo",
+        "type": "code",
+        "input": {"code": "foo"},
         "sampleRecord": {
           "bar": "baz"
         },