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Working with masks


    Each layer in a composition can contain up to 127 masks. Create and view masks in either the Composition or Layer window, and set interactions between mask properties in the Timeline window or in the Layer menu. See Creating masks for information on creating masks. You can also animate the shape of the mask by animating individual control points on a mask path. For more information on creating keyframes, see Setting keyframes.

To view masks in the Composition window:

    Select Layer Masks from the Composition Window menu.

To view masks in the Layer window:

    Select Masks from the Layer Window menu.

To specify a mask in the Layer window as the target for all new mask shapes:

    Select the mask name from the Target pop-up menu. For more information on the Target menu, see Specifying one mask as the target for animation.