Yeah like jordan said, there was a discussion all about this in the trick a week thread. You can find that if you start here with the trick post and scroll down. Lots of good tips and yeah always feel free to post a video and people can help diagnose your specific issue. The trick is definitely tricky at first but you can get it for sure and then it feels really good. Good luck yo!
The two most important things to note imo are that
you want to hop the yoyo up a bit so there is hang time before the yoyo starts to pull out the slack,
And the movement of th away is what controls the speed of the slack. The slack will get a bit smaller but move faster due to angular velocity or smt