Unity URP Disabling volume components at run time

unity_urp_disabling_volume_components

using UnityEngine;
using UnityEngine.Rendering;
using UnityEngine.Rendering.Universal;

/// <summary>
/// Unity's URP profile uses 'Volumes' attached to the camera to apply it's new post processing effects. 
/// Below is how you can access one of the components(e.g the depth of field component) and disable it at runtime
/// </summary>
class urp_dof_conditional : MonoBehaviour
{
    [Tooltip("Determines if the selected camera will have it's DOF enabled or disabled")]
    public bool dofEnabled = true;
    [Tooltip("The camera with a URP volume attached to it")]
    public Camera targetCamera;

    /// <summary>
    /// On start, enable or disable to DOF attached to the target camera
    /// </summary>
    public void Start()
    {
        //get the volume attached to the main camera
        VolumeProfile volumeProfile = targetCamera.GetComponent<Volume>().profile;
     
        //get the DOF component from the volume and se it
        DepthOfField depthOfField;
        volumeProfile.TryGet(out depthOfField);
        if(depthOfField != null) depthOfField.active = dofEnabled;
    }
}