httpsCallable method
A reference to the Callable HTTPS trigger with the given name.
Should be the name of the Callable function in Firebase
Implementation
HttpsCallable httpsCallable(
String name, {
HttpsCallableOptions? options,
}) {
assert(name.isNotEmpty);
options ??= HttpsCallableOptions();
return HttpsCallable._(delegate.httpsCallable(_origin, name, options));
}