<?xml version="1.0" encoding="utf-8"?> <form> <fields name="setup"> <fieldset name="assignment" addfieldpath="/administrator/components/com_categories/models/fields"> <field name="custom" type="keyvalue" default="" label="WF_PROFILES_CUSTOM" description="WF_PROFILES_CUSTOM_DESC"> <field type="text" name="name" label="WF_PROFILES_CUSTOM_KEY" /> <field type="text" name="value" label="WF_PROFILES_CUSTOM_VALUE" /> </field> </fieldset> </fields> </form>