OptionalallowWhether custom entries are allowed for selectable values.
OptionalconstraintsOptional validation and UI constraints.
OptionalcustomOptional custom type identifier.
True when the field UI should be disabled.
OptionalerrorOptional error message to display under the field.
Type info describing the field to render.
Key that identifies the field in the form values.
OptionalformatOptional format hint for the field.
Display label for the field.
Change handler for the field value.
OptionalonOptional callback for custom type actions.
OptionalonOptional callback for relation actions.
OptionalpossibleAllowed literal values for the field.
True when the field must be provided.
Current value for the field.
Context passed to field renderers.