How do I auto end an animation?

So, when I add a custom emote to vrchat, I want to use the toggle option so that I do not have to hold it down, but I also do not want the emote to loop forever. I want it to stop at the end of the animation, but I am not sure how. I know this may seem trivial, but surprisingly I can not figure it out. Thanks!

i also need this, theres literally NO TUTORIALS FOR THIS THAT I CAN FIND