[SerializeField] private EnvironmentDepthManager _environmentDepthManager;
private IEnumerator Example()
{
//Check if this feature is supported on your platform
if(!EnvironmentDepthManager.IsSupported)
    {
        Debug.Log("This feature is not supported");
        yield break;
    }
//enables the feature and makes depth textures available
//depth textures will be available from the system asynchronously
    _environmentDepthManager.enabled = true;
while(!_environmentDepthManager.IsDepthAvailable)
        yield returnnull;
    Debug.Log("Depth textures are now available);
}

privatevoid ExampleOccl()
{
//sets occlusion mode to "SoftOcclusion" \– this is the default value
  _environmentDepthManager.OcclusionShadersMode = OcclusionShadersMode.SoftOcclusion;
//sets occlusion mode to "HardOcclusion"
 _environmentDepthManager.OcclusionShadersMode = OcclusionShadersMode.HardOcclusion;
//sets occlusion mode to "None" \– it's a good idea to disable environmentDepthManager to save resources in this case
 _environmentDepthManager.OcclusionShadersMode = OcclusionShadersMode.None;
//remove hands from the depth map
 _environmentDepthManager.RemoveHands = true;
//disables the feature. Frees up resources by not requesting depth textures from the system
 _environmentDepthManager.enabled = false;
}