Shape Source Property Editor

To display: Right-click on a shape clip or shape compound clip in the animation mixer and choose Source.

While you cannot change any of these parameters, you can activate or deactivate the shape item.

Type	The type of animation on the parameter; for example, SHP (shape compound) or Key (shape key).
Active	Whether the parameter is active. You can toggle individual parameters on and off. This affects any new clips based on the source action.
Item Name	The name of the affected cluster.
Value	The name of the shape source.
Toggle Activeness	Toggles the activeness of the selected parameters. This is equivalent to clicking in the Active column of the corresponding rows.