3D Compositing with Action > Action: Sources > Creating a Matte or Front Source >

# Accessing the Source Menu

Once you added source nodes to your scene, you can access the Source menu to apply various settings.

To access the Source menu:

1. Do one of the following:
   - Select a Source Matte or Source Front node in the schematic, and then click the Source menu button.
     NoteIf no source node is selected when first accessing the Source menu, or if there are no source nodes present in the scene, all of the options in the menu are disabled.
   - Double-click a Matte or Front Source node in the schematic.