Basic Output
The polymorphic field type always returns null or an \Anomaly\Streams\Platform\Entry\EntryInterface instance.
Example
$entry->example->getId();
Twig
{{ entry.example.id }}
Presenter Output
When accessing the field value from a decorated entry model the an instance of \Anomaly\Streams\Platform\Entry\EntryPresenter will be returned.
Example
$decorated->example->test;
Twig
{{ decorated.example.test }}