Apple Motion 4 - Manual (Page 530)

As layers are added, the names of the objects as well as the group in which they exist
appear in the list. When a group is dragged to the Affected Objects list, all layers within
that group are added to the list.
Click Remove to delete a
layer from the Affected
Objects list.
Note: Objects from any group in a project can be dragged to the Affected Objects list.
To remove an object, select the object in the list and click Remove.
Any layers that are added to the Affected Objects list swirl around the layer to which the
Vortex behavior is applied.
To affect only Related Objects
1 In the Layers tab, move the object with the applied Vortex behavior into the group that
contains the objects you want to affect. In this case, drag the “center star” object from
the Center group into the Stars group. When the drop menu appears, choose Move Shape
to Group.
530 Chapter 9 Using Behaviors