code: def process_embed_override(href_embed=None,
                             embed_items=None,
                             embed_tracks=None,
                             embed_metadata=None,
                             embed_insights=None):
      
      # Our defaults are None, which are the API defaults.
      final_items = None
      final_tracks = None
      final_metadata = None
      final_insights = None
  
      # First, figure out what was embedded in the original href.
      # If any of the embeds are there, flip the final to True
      if href_embed:
          if 'items' in href_embed:
              final_items = True
          if 'tracks' in href_embed:
              final_tracks = True
          if 'metadata' in href_embed:
              final_metadata = True
          if 'insights' in href_embed:
              final_insights = True
  
      # Second, override the what we have.
      # None >> Do nothing
      # True >> Set to True
      # False >> Set to None
      if embed_items is not None:
          if embed_items is True:
              final_items = True
          else:
              final_items = None
      if embed_tracks is not None:
          if embed_tracks is True:
              final_tracks = True
          else:
              final_tracks = None
      if embed_metadata is not None:
          if embed_metadata is True:
              final_metadata = True
          else:
              final_metadata = None
      if embed_insights is not None:
          if embed_insights is True:
              final_insights = True
          else:
              final_insights = None
  
      return process_embed(embed_items=final_items,
                           embed_tracks=final_tracks,
                           embed_metadata=final_metadata,
                           embed_insights=final_insights)
docs: Returns an embed field value based on the parameters.