Totem animation - How to trigger from Client-side?

After looking on MCreator, it seems people (including Klemen) seem to reckon that you need to create an extra client-side procedure or something like that to play the totem animation. However, I have no idea how to do that, and couldn't find anything that explicitly explained how to do this. Here is my procedure, and it works just fine except for the animation.

Is there a simple fix or is it a bug with MCreator?