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# Adding Matte Containers

A matte container is a container with the RGB portion of an image on one track and its matte on another. If the matte for a clip exists separately from it, you can add the clip and its matte to the timeline as a single element by creating a matte container for them.

To create a matte container:

1. Select the clip you want to add the matte container to.
2. Click the FX button and add an Axis Timeline FX or right-click on the clip, select Add Effect and choose the Axis Timeline FX.
3. From the Axis Timeline FX settings, click the Matte button.
4. Select a Matte from the Workspace. The Matte Container button appears in the Effects Menu.
5. To open the Matte Container, click once on the Matte Container button and then click open, or double-click on the Matte Container button.
6. Once the Matte container is open, you can adjust the settings for the matte or add other effects to it.
7. If you want to mute the matte, right-click the Matte Container button and select Mute.
8. If you want to remove the matte, click once on the Matte Container button and then click on the Uncontain button.