Animations based on values, and animations

Oh, hey, I make a stamina system, how I know, it is working pretty well.

But I want that, the character to make the default idle from ue4 when stamina goes under 20 and my idle animation when it’s upper than 20

How I can make strafes?

And one more questions, c4d and unreal skeleton, is meeeh, hard to work… And I want to know if it’s posible to make the animations in ue4, becouse I was looking at animations, and I like them, how are them

still need help