onBeforeTaskDrag; How to use asynchrony

Hello. I want to do the following. How do I do it;‘onBeforeTaskDrag’, How does this method support asynchronous operations, which seems to be not working right now;

Hello,
Right now, it is not supported.
The dev team will add that feature in the future, but I cannot give you any ETA.

Also, please, don’t create duplicate topics or ask the same questions in different places.