scripts-blender/addons/asset_pipeline_2/transfer_data/transfer_core.py

@@ -144,6 +144,12 @@ def apply_transfer_data(context: bpy.types.Context, transfer_data_map) -> None:
                     source_obj=source_obj,
                     shape_key_name=transfer_info.name,
                 )
+            if transfer_info.type == constants.ATTRIBUTE_KEY:
+                transfer_functions.transfer_attribute(
+                    target_obj=target_obj,
+                    source_obj=source_obj,
+                    attribute_name=transfer_info.name,
+                )
 
         copy_transfer_data_ownership(
             transfer_data_item=transfer_info,

scripts-blender/addons/asset_pipeline_2/transfer_data/transfer_functions.py

@@ -529,3 +529,33 @@ def init_attributes(scene, obj):
                 type=type_key,
                 obj=obj,
             )
+
+
+def transfer_attribute(
+    attribute_name: str,
+    target_obj: bpy.types.Object,
+    source_obj: bpy.types.Object,
+):
+    source_attributes = source_obj.data.attributes
+    target_attributes = target_obj.data.attributes
+    source_attribute = source_attributes.get(attribute_name)
+
+    target_attribute = target_attributes.get(attribute_name)
+    if target_attribute:
+        target_attributes.remove(target_attribute)
+
+    target_attribute = target_attributes.new(
+        name=attribute_name,
+        type=source_attribute.data_type,
+        domain=source_attribute.domain,
+    )
+
+    for source_data_item in source_attribute.data.items():
+        index = source_data_item[0]
+        source_data = source_data_item[1]
+        keys = set(source_data.bl_rna.properties.keys()) - set(
+            bpy.types.Attribute.bl_rna.properties.keys()
+        )
+        for key in list(keys):
+            target_data = target_attribute.data[index]
+            setattr(target_data, key, getattr(source_data, key))