Character Jumping Animation?

Quick quesiton reaching out to anyone who might know how to give my side scroller character a custom jump animation? I have done the basic idle, walk, run blendspaces and ANIMVP.

I am using Mixamo character model and animations. I just really want to know how to make my character have their own jump animation. (And crouch too)

Here’s a tutorial on jump animations, he also is using mixamo: