diff --git a/gdcdictionary/schemas/aligned_reads_file.yaml b/gdcdictionary/schemas/aligned_reads_file.yaml
index 9f98bd1..79a2c4a 100644
--- a/gdcdictionary/schemas/aligned_reads_file.yaml
+++ b/gdcdictionary/schemas/aligned_reads_file.yaml
@@ -104,6 +104,12 @@ properties:
     #   - Amplicon
     #   - Other
 
+  object_ids:
+    description: The list of file identifiers (object_ids, DRS URIs, or data GUIDs, etc.) for the file(s), if applicable.
+    type: array
+    items:
+      type: string
+
   read_groups:
     $ref: "_definitions.yaml#/to_many"
   core_metadata_collections:
diff --git a/gdcdictionary/schemas/aligned_reads_index_file.yaml b/gdcdictionary/schemas/aligned_reads_index_file.yaml
index 3adafd6..d88287c 100644
--- a/gdcdictionary/schemas/aligned_reads_index_file.yaml
+++ b/gdcdictionary/schemas/aligned_reads_index_file.yaml
@@ -50,25 +50,23 @@ properties:
     term:
       $ref: "_terms.yaml#/data_category"
     type: string
-    # enum:
-    #   - Sequencing Data
-    #   - Sequencing Reads
-    #   - Raw Sequencing Data
 
   data_type:
     term:
       $ref: "_terms.yaml#/data_type"
     type: string
-    # enum: [ "Aligned Reads Index" ]
 
   data_format:
     term:
       $ref: "_terms.yaml#/data_format"
     type: string
-    # enum: 
-    #   - BAI
-    #   - CRAI
       
+  object_ids:
+    description: The list of file identifiers (object_ids, DRS URIs, or data GUIDs, etc.) for the file(s), if applicable.
+    type: array
+    items:
+      type: string
+
   aligned_reads_files:
     $ref: "_definitions.yaml#/to_one"
   core_metadata_collections:
diff --git a/gdcdictionary/schemas/annotation.yaml b/gdcdictionary/schemas/annotation.yaml
index 3252581..4670692 100644
--- a/gdcdictionary/schemas/annotation.yaml
+++ b/gdcdictionary/schemas/annotation.yaml
@@ -122,6 +122,12 @@ properties:
     maximum: 24
     minimum: 0
 
+  object_ids:
+    description: The list of file identifiers (object_ids, DRS URIs, or data GUIDs, etc.) for the file(s), if applicable.
+    type: array
+    items:
+      type: string
+
   sift_image_quality_index:
     description: A score of image quality based on the SIFT annotation software.
     enum:
diff --git a/gdcdictionary/schemas/clinical_file.yaml b/gdcdictionary/schemas/clinical_file.yaml
index bdc3852..8fd326e 100644
--- a/gdcdictionary/schemas/clinical_file.yaml
+++ b/gdcdictionary/schemas/clinical_file.yaml
@@ -77,6 +77,12 @@ properties:
     description: "The text term describing the file format of the supplementary file, for example, PDF, XLSX, JPEG, PNG, TSV, etc."
     type: string
 
+  object_ids:
+    description: The list of file identifiers (object_ids, DRS URIs, or data GUIDs, etc.) for the file(s), if applicable.
+    type: array
+    items:
+      type: string
+
   core_metadata_collections:
     description: The submitter_id or id of the core_metadata_collection to which the supplementary file belongs, i.e., a link to a record in the parent node.
     $ref: "_definitions.yaml#/to_many"
diff --git a/gdcdictionary/schemas/image_file.yaml b/gdcdictionary/schemas/image_file.yaml
index f4e07ce..4915b0e 100644
--- a/gdcdictionary/schemas/image_file.yaml
+++ b/gdcdictionary/schemas/image_file.yaml
@@ -92,6 +92,12 @@ properties:
       - "Poor image quality"
       - "Not Reported"
 
+  object_ids:
+    description: The list of file identifiers (object_ids, DRS URIs, or data GUIDs, etc.) for the file(s), if applicable.
+    type: array
+    items:
+      type: string
+
   series_instance_uid:
     description: >
       Formal identifier for this image or other content.
diff --git a/gdcdictionary/schemas/unaligned_reads_file.yaml b/gdcdictionary/schemas/unaligned_reads_file.yaml
index 83011d8..d90d415 100644
--- a/gdcdictionary/schemas/unaligned_reads_file.yaml
+++ b/gdcdictionary/schemas/unaligned_reads_file.yaml
@@ -69,6 +69,12 @@ properties:
       $ref: "_terms.yaml#/experimental_strategy"
     type: string
 
+  object_ids:
+    description: The list of file identifiers (object_ids, DRS URIs, or data GUIDs, etc.) for the file(s), if applicable.
+    type: array
+    items:
+      type: string
+
   read_groups:
     $ref: "_definitions.yaml#/to_many"
   core_metadata_collections:
diff --git a/gdcdictionary/schemas/variant_call_file.yaml b/gdcdictionary/schemas/variant_call_file.yaml
index cc1b776..157c655 100644
--- a/gdcdictionary/schemas/variant_call_file.yaml
+++ b/gdcdictionary/schemas/variant_call_file.yaml
@@ -76,6 +76,12 @@ properties:
       $ref: "_terms.yaml#/experimental_strategy"
     type: string
 
+  object_ids:
+    description: The list of file identifiers (object_ids, DRS URIs, or data GUIDs, etc.) for the file(s), if applicable.
+    type: array
+    items:
+      type: string
+
   variant_calling_workflow_type: # from BDC germline_mutation_calling_workflow node
     description: The workflow used to call germline mutations from sequencing reads, e.g., HaplotypeCaller.
     type: string