.. include:: /Includes.rst.txt

formEditor.propertyCollections.validators.10.editors.100
--------------------------------------------------------

:aspect:`Option path`
      TYPO3.CMS.Form.prototypes.<prototypeIdentifier>.formElementsDefinition.Textarea.formEditor.propertyCollections.validators.10.editors.100

:aspect:`Data type`
      array/ :ref:`[CollectionElementHeaderEditor] <typo3.cms.form.prototypes.\<prototypeidentifier>.formelementsdefinition.\<formelementtypeidentifier>.formeditor.editors.*.collectionelementheadereditor>`

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

:aspect:`Mandatory`
      Recommended

:aspect:`Default value (for prototype 'standard')`
      .. code-block:: yaml
         :linenos:
         :emphasize-lines: 8-

         Textarea:
           formEditor:
             propertyCollections:
               validators:
                 10:
                   identifier: Alphanumeric
                   editors:
                     100:
                       identifier: header
                       templateName: Inspector-CollectionElementHeaderEditor
                       label: formEditor.elements.TextMixin.validators.Alphanumeric.editor.header.label

