code: def is_all_field_none(self):
          
  
          if self._color is not None:
              return False
  
          if self._alias is not None:
              return False
  
          if self._description is not None:
              return False
  
          if self._attachment is not None:
              return False
  
          if self._pointer is not None:
              return False
  
          if self._status is not None:
              return False
  
          if self._redirect_url is not None:
              return False
  
          return True
docs: :rtype: bool