# API team ID based sharing

* extents api sharing via team name with team id, so that both ways are supported now
* updates tests

api/utils/serializer/v1/serializer.py

@@ -179,13 +179,7 @@ class AbstractModelAPISerializerV1(AbstractModelAPISerializer):
         Returns:
             ExternalIdentifier | None
         """
-        if external_identifier:
-            try:
-                obj = ExternalIdentifier.objects.get(external_id=external_identifier)
-                return obj
-            except ObjectDoesNotExist:
-                pass
-        return None
+        return ExternalIdentifier.resolve_external_identifier(external_identifier)
 
     def _check_external_identifier_on_entry_creation(self, external_identifier):
         """ Special check for POST processing: