Get Collision from CharacterController

As the subject. How can I get and handle a collision from a CharacterController to another CharacterController?

Seem OnTriggerEnter, OnCollisionEnter and OnControllerColliderHit are not called when a CharacterController collide another.

I don’t think CharacterController has a collider, so therefore it wouldn’t trigger those methods to be called. Try attaching a collider to whatever object you’ve attached your controller too.

Thank!
Just Add instead of replacing current Character Controller.