..  include:: /Includes.rst.txt
properties.dateFormat
---------------------

:aspect:`Option path`
    prototypes.<prototypeIdentifier>.formElementsDefinition.DatePicker.properties.dateFormat

:aspect:`Data type`
    string

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

:aspect:`Overwritable within form definition`
    Yes

:aspect:`form editor can write this property into the form definition (for prototype 'standard')`
    Yes

:aspect:`Mandatory`
    Yes

:aspect:`Default value (for prototype 'standard')`
    ..  code-block:: yaml
        :linenos:
        :emphasize-lines: 3

        DatePicker:
          properties:
            containerClassAttribute: input
            elementClassAttribute: 'small form-control'
            elementErrorClassAttribute: error
            timeSelectorClassAttribute: mini
            timeSelectorHourLabel: ''
            timeSelectorMinuteLabel: ''
            dateFormat: Y-m-d
            enableDatePicker: true
            displayTimeSelector: false

..  :aspect:`Good to know`
    ToDo

:aspect:`Description`
    The datepicker time format.
    The following date formats are allowed:

    **Day**

    ================ ==================================================================
    Format character Description
    ================ ==================================================================
    d                Day of the month, two digits with leading zeros
    D                A textual representation of a day, three letters
    j                Day of the month without leading zeros
    l                A full textual representation of the day of the week
    ================ ==================================================================

    **Month**

    ================ ==================================================================
    Format character Description
    ================ ==================================================================
    F                A full textual representation of a month, such as January or March
    m                Numeric representation of a month, with leading zeros
    M                A short textual representation of a month, three letters
    n                Numeric representation of a month, without leading zeros
    ================ ==================================================================

    **Year**

    ================ ==================================================================
    Format character Description
    ================ ==================================================================
    Y                A full numeric representation of a year, four digits
    y                A two digit representation of a year
    ================ ==================================================================
