Unity animation rigging test for crab

hello everyone,
I want to make a walk cycle in Unity using the aniamtion rigging tool which is free in Unity. so I rigged the Crab character in Maya and I am happy because, Thr lrg ieg moving 
but I am not sure what to do from here. I heard that the cycle will be done through code. I can't code, but I am willing to give it ago 
thank you everyone