+ If a template using this tag is used to render a :class:`.Page`, that :class:`.Page` will have associated content which can be set in the admin interface. If a content type is referenced, then a :class:`.ContentReference` object will be created; otherwise, a :class:`.Contentlet` object will be created.
+
+ Usage::
+
+ {% container <name> [[references <app_label>.<model_name>] as <variable>] %}
+