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  • Hi @mishtershmart

    The field key is a unique identifier for the field object. ACF uses this field key to link the value saved on a post back to the field object.

    ACF can’t use the field’s name, as there could be 2 or more fields with the same name.

    The field key must be unique and just not change on each page load (cannot be dynamically generated on the fly).

    Thanks
    E