RenderingLayerMask.value

Description

Converts a layer mask value to an integer value.

using UnityEngine;
using UnityEngine.Rendering;

public class Example : MonoBehaviour
{
    // Set the rendering layer mask for MeshRenderer

    RenderingLayerMask mask = 1 << 10;
    void Start()
    {
        GetComponent<MeshRenderer>().renderingLayerMask = mask;
    }
}