| layerNames | List of layer names to convert to a layer mask. | 
int
      The layer mask created from the layerNames.
    
Given a set of layer names as defined by either a Builtin or a User Layer in the Tag Manager, returns the equivalent layer mask for all of them.
Debug.Log(LayerMask.GetMask("UserLayerA", "UserLayerB"));
using UnityEngine; using System.Collections; public class ExampleClass : MonoBehaviour { void Example() { Debug.Log(LayerMask.GetMask("UserLayerA", "UserLayerB")); } }
import UnityEngine import System.Collections public class ExampleClass(MonoBehaviour): def Example() as void: Debug.Log(LayerMask.GetMask('UserLayerA', 'UserLayerB'))