Pass along the correct display name to the controller

common/lib/xmodule/xmodule/combined_open_ended_module.py

@@ -153,7 +153,8 @@ class CombinedOpenEndedModule(XModule):
             'max_score': self._max_score,
             'max_attempts': self.max_attempts,
             'prompt': definition['prompt'],
-            'rubric': definition['rubric']
+            'rubric': definition['rubric'],
+            'display_name': self.display_name
         }
 
         self.task_xml = definition['task_xml']

common/lib/xmodule/xmodule/open_ended_module.py

@@ -122,6 +122,7 @@ class OpenEndedModule(openendedchild.OpenEndedChild):
             'rubric': rubric_string,
             'initial_display': self.initial_display,
             'answer': self.answer,
+            'problem_id': self.display_name
         })
         updated_grader_payload = json.dumps(parsed_grader_payload)
 

common/lib/xmodule/xmodule/openendedchild.py

@@ -93,6 +93,7 @@ class OpenEndedChild():
 
         self.prompt = static_data['prompt']
         self.rubric = static_data['rubric']
+        self.display_name = static_data['display_name']
 
         # Used for progress / grading.  Currently get credit just for
         # completion (doesn't matter if you self-assessed correct/incorrect).