Update 06.plugin.md

Author: RyanThompson

Diff for: docs/en/02.usage/06.plugin.md

@@ -12,3 +12,11 @@ A fundamental idea to keep in mind is that streams generated within the Streams
 #### Entries
 
 You can use the `entries` plugin in core to retrieve entries from streams: [/documentation/streams-platform/latest/plugin/entries](/documentation/streams-platform/latest/plugin/entries)
+
+
+#### Forms
+
+Similarly you can use the stream model in forms via builders or by using the namespace and slug with the `form` function:
+
+    {{ form('staff', 'members')|raw }} // Create a new record
+    {{ form('staff', 'members', 1)|raw }} // Edit the first record