diff --git a/openapi/v1/schemas/job/ImportAFileFromMultipartRequest.yaml b/openapi/v1/schemas/job/ImportAFileFromMultipartRequest.yaml
index 55fc15c1..e4b4dce5 100644
--- a/openapi/v1/schemas/job/ImportAFileFromMultipartRequest.yaml
+++ b/openapi/v1/schemas/job/ImportAFileFromMultipartRequest.yaml
@@ -20,3 +20,9 @@ required:
 - studyAccession
 - dataClass
 type: object
+allOf:
+  - $ref: "#/components/schemas/TransformationParametersForMultipartRequest"
+components:
+  schemas:
+    TransformationParametersForMultipartRequest:
+      $ref: "./TransformationParametersForMultipartRequest.yaml"
diff --git a/openapi/v1/schemas/job/ImportCellsFromMultipartRequest.yaml b/openapi/v1/schemas/job/ImportCellsFromMultipartRequest.yaml
index 4f109f4e..4e3f04e0 100644
--- a/openapi/v1/schemas/job/ImportCellsFromMultipartRequest.yaml
+++ b/openapi/v1/schemas/job/ImportCellsFromMultipartRequest.yaml
@@ -10,3 +10,9 @@ required:
   - studyId
   - data
 type: object
+allOf:
+  - $ref: "#/components/schemas/TransformationParametersForMultipartRequest"
+components:
+  schemas:
+    TransformationParametersForMultipartRequest:
+      $ref: "./TransformationParametersForMultipartRequest.yaml"
diff --git a/openapi/v1/schemas/job/ImportMetadataFromMultipartRequest.yaml b/openapi/v1/schemas/job/ImportMetadataFromMultipartRequest.yaml
index 47b4d9f3..a142f891 100644
--- a/openapi/v1/schemas/job/ImportMetadataFromMultipartRequest.yaml
+++ b/openapi/v1/schemas/job/ImportMetadataFromMultipartRequest.yaml
@@ -13,3 +13,9 @@ required:
   - studyId
   - metadata
 type: object
+allOf:
+  - $ref: "#/components/schemas/TransformationParametersForMultipartRequest"
+components:
+  schemas:
+    TransformationParametersForMultipartRequest:
+      $ref: "./TransformationParametersForMultipartRequest.yaml"
diff --git a/openapi/v1/schemas/job/ImportSignalRunFomMultipartRequest.yaml b/openapi/v1/schemas/job/ImportSignalRunFomMultipartRequest.yaml
index ca06cd25..43f4d419 100644
--- a/openapi/v1/schemas/job/ImportSignalRunFomMultipartRequest.yaml
+++ b/openapi/v1/schemas/job/ImportSignalRunFomMultipartRequest.yaml
@@ -19,3 +19,9 @@ required:
   - studyId
   - data
 type: object
+allOf:
+  - $ref: "#/components/schemas/TransformationParametersForMultipartRequest"
+components:
+  schemas:
+    TransformationParametersForMultipartRequest:
+      $ref: "./TransformationParametersForMultipartRequest.yaml"
diff --git a/openapi/v1/schemas/job/TransformationParametersForMultipartRequest.yaml b/openapi/v1/schemas/job/TransformationParametersForMultipartRequest.yaml
new file mode 100644
index 00000000..9ae8073f
--- /dev/null
+++ b/openapi/v1/schemas/job/TransformationParametersForMultipartRequest.yaml
@@ -0,0 +1,14 @@
+properties:
+  sourceAttachmentAccession:
+    type: string
+    description: The property is automatically populated by the attachment transformation pipeline and must not be provided during regular multipart uploads.
+    readOnly: true
+  transformationName:
+    type: string
+    description: The property is automatically populated by the attachment transformation pipeline and must not be provided during regular multipart uploads.
+    readOnly: true
+  transformationVersion:
+    type: string
+    description: The property is automatically populated by the attachment transformation pipeline and must not be provided during regular multipart uploads.
+    readOnly: true
+type: object