Specifies certain leader and follower rules for this animation. You can select from the following: Can be Leader, which is the default behavior, and when selected causes this animation to be the leader as long as it has the highest blend weight. Always Follower, which causes this animation to always follow the Sync Group leader. If all animations are set to this, then the first animation evaluated will be set to the leader. Always Leader, which causes this animation to always be the leader. If more than one animation in the group is set to this option, then the last one evaluated will be set to the leader. Transition Leader, which causes this animation to be excluded from syncing while blending in. Once blended in it will become the Sync Group leader until blended out. Transition Follower, which causes this animation to be excluded from syncing while blending in. Once blended in it will become a follower until blended out.