Determine if this input requires a value entered by the user (true) or
not (false). For a lookupButton form element, if this property is
omitted or undefined, the lookup will be required based on its dependencies.
OptionalrequiredMessage?: string
The validation message to display if this input requires a value entered by the user.
Determine if this input requires a value entered by the user (
true) or not (false). For alookupButtonform element, if this property is omitted orundefined, the lookup will be required based on its dependencies.