The property definition id must be defined with data-mf-propertydef Attribute.
The UI Control type must be defined with one of the additional classes: mf-label Class, mf-text Class, mf-multilinetext Class, mf-lookup Class, mf-multiselectlookup Class, mf-date Class, mf-time Class, mf-timestamp Class, mf-integer Class, mf-floating Class, mf-boolean Class