# cf.CellMeasure.identity

`CellMeasure.``identity`(default=None, relaxed_identity=None)

  Return the cell measure’s identity.

  The identity is first found of:

  - The `measure` attribute.
  - The `standard_name` CF property.
  - The `id` attribute.
  - The value of the default parameter.

  Parameters: | default : optional If none of `measure`, `standard_name` and `id` exist then return default. By default, default is None.
  Returns: | out : The identity.
  Examples: |