code: def _update_schema_to_aws_notation(self, schema):
          '''
          Helper function to map model schema to aws notation
          '''
          result = {}
          for k, v in schema.items():
              if k == '$ref':
                  v = self._aws_model_ref_from_swagger_ref(v)
              if isinstance(v, dict):
                  v = self._update_schema_to_aws_notation(v)
              result[k] = v
          return resulf _update_schema_to_aws_notation(self, schema):
          '''
          Helper function to map model schema to aws notation
          '''
          result = {}
          for k, v in schema.items():
              if k == '$ref':
                  v = self._aws_model_ref_from_swagger_ref(v)
              if isinstance(v, dict):
                  v = self._update_schema_to_aws_notation(v)
              result[k] = v
          return result
docs: Helper function to map model schema to aws notation