code: func (obj *Doc) GetFavoriteVariables(ctx context.Context) ([]string, error) {
  	result := &struct {
  		Names []string	`json:"qNames"`
  	} {}
  	err := obj.rpc(ctx, "GetFavoriteVariables", result)
  	return result.Names, err 
  }
docs: // Retrieves the variables that are tagged as favorite.