Examples from "Selection of Controls and Views" section of the form reference: form.control.required - usage with a checkbox and password control Required [element], Single Occurrence, with Simple Type [inline-Form-FieldPasswordRequirePassword] localName is [FieldPasswordRequirePassword] without namespace Required [element], Single Occurrence, with Simple Type [inline-Form-FieldBooleanRequireCheckbox] localName is [FieldBooleanRequireCheckbox] without namespace Required [element], Single Occurrence, with Simple Type [inline-Form-FieldBoolean] localName is [FieldBoolean] without namespace Examples from "Selection of Controls and Views" section of the form reference: form.control.required - usage with a checkbox and password control