message: docs(prop::discriminators): add note about getting the returned models
  re typegoose/typegoose#744
diff: @@ -445,6 +445,9 @@ Use this function for embedded discriminators.
  :::note
  The `discriminatorKey` (like in the example property `type`) needs to be always set in a newly created document (via `.create({ type: 'yourKey' })`, or `.save()`)
  :::
  +:::note
  +There currently is no typegoose built-in way to get the models the `path.discriminator` call would return, see [typegoose/typegoose#744](https://github.com/typegoose/typegoose/issues/744).
  +:::
  Example for `[Class]`:
  