..  include:: /Includes.rst.txt
formEditor.propertyCollections.validators.80.identifier
-------------------------------------------------------

:aspect:`Option path`
    prototypes.<prototypeIdentifier>.formElementsDefinition.Telephone.formEditor.propertyCollections.validators.80.identifier

:aspect:`Data type`
    string

:aspect:`Needed by`
    Backend (form editor)

:aspect:`Mandatory`
    Yes

:aspect:`Default value (for prototype 'standard')`
    ..  code-block:: yaml
        :linenos:
        :emphasize-lines: 6

        Telephone:
          formEditor:
            propertyCollections:
              validators:
                80:
                  identifier: RegularExpression

:aspect:`Good to know`
    -   :ref:`"Inspector"<concepts-formeditor-inspector>`
    -   :ref:`"\<validatorIdentifier>"<prototypes.prototypeIdentifier.validatorsdefinition.validatoridentifier>`

:aspect:`Description`
    Identifies the validator which should be attached to the form element. Must be equal to an existing ``<validatorIdentifier>``.
