The Garbage Mask tab consists of the following controls and parameter settings:
Mask List The Mask List displays all the masks that have been created for the current composition. It also displays some of the masking parameters and navigation buttons.

| Use: | To: | 
|---|---|
| 
 | Activate the Solo flag to isolate a mask. Only one mask can be isolated at a time. | 
| 
 | Activate the Visible flag. | 
| 
 | Activate the Lock flag. Locking a mask locks the points, shape, edges, tangents, and composite parameters. | 
| 
 | Change the name of a mask. With the cursor in the text field, press F2, type in a new name and press Enter. | 
| 
 | Set the opacity of the mask. | 
| 
 | Set the intensity of the mask. | 
| 
 | Invert the mask. | 
| 
 | Select a compositing operator. The default is the Over mode—see Compositing Operators. | 
| 
 | Reset the Comp operator, Opacity, Intensity and the mask Invert toggle of selected masks. | 
| 
 | Move selected masks to the bottom of the Mask list. | 
| 
 | Move selected masks down one place in the Mask list. | 
| 
 | Move selected masks up one place in the Mask list. | 
| 
 | Move masks to the top of the Mask list. | 
| 
 | Duplicate selected masks. The duplicate appears over the selected mask in the Player. | 
| 
 | Delete selected masks. | 
Creation Tools Use the following Creation tools to draw garbage masks.