Hi, I can see this in tutorial "You can define onStart, onUpdate, onComplete, onReverse, and/or onReverseComplete event callbacks." But I cant find hou to use "onReverse()". But "onReverseComplete()" is there. I want to call a function on every "onReverse() " occures. (using slider or the reverse button). Edit: here the example how I want to use onReverse() http://codepen.io/anon/pen/gLtoz