Interface GroupQuickTweenOptionsCallback
- Parameters- Optionaloptions: GroupCallbackOptions- The group callback options defining the order of the current position / positionable being processed. 
 - Returns QuickTweenOptions- The unique quick tween options to set for this position / positionable instance. When null or undefined is returned the current position / positionable is removed from the animation. 
Defines a callback to process each TJSPosition / TJSPosition.Positionable instance allowing different quick tween options to be assigned to each instance in the grouped animation.