Question How to get impulse position and rotaion value?

I want to get impulse Signal when use GenerateImpulse is used
because i want to use canvas shake too
but i dont know how to use GetImpulseAt()

using Cinemachine;

using UnityEngine;



public class ReciveImpulse : MonoBehaviour

{

    public Vector3 p = Vector3.one;

    public Quaternion q;



    private void Awake()

    {

    }



    private void Update()

    {

        CinemachineImpulseManager.Instance.GetImpulseAt(this.transform.position, false, 0, out p, out q);

        Debug.Log("shake p : " + p + "shake q : " + q);

    }

}

i use this but its not working how to use this?

 

sovled it

just
CinemachineImpulseManager.Instance.GetImpulseAt(Camera.main.transform.position, false, 1, out p, out q);

when channal Mask is 0 it cant get Impulse value...

i set impulsesource impulse channal to everything (also it have 0:default)