# cf.AuxiliaryCoordinate.insert_data

`AuxiliaryCoordinate.``insert_data`(data, bounds=None, copy=True)

  Insert a new data array.

  A bounds data array may also inserted if given with the bounds keyword. Bounds may also be inserted independently with the `insert_bounds` method.

  New in version 2.0.

  Parameters: | data : cf.Data bounds : cf.Data, optional copy : bool, optional
  Returns: | None