listenDocument<T extends Object<T> > method
void
listenDocument<T extends Object<T> >({
- required DocumentReference<
Object?> reference, - Future callback(
- T
- Future notExistCallback()?,
Implementation
void listenDocument<T extends object.Object<T>>({
required DocumentReference reference,
Future Function(T)? callback,
Future Function()? notExistCallback,
}) {
_internalDocumentObserver<T>(
reference,
callback,
notExistCallback,
);
}