LayerMask.NameToLayer

Description

Given a layer name, returns the layer index as defined by either a Builtin or a User Layer in the Tags and Layers manager.

Returns -1 if not found.

          Debug.Log(LayerMask.NameToLayer("TransparentFX"));

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    void Example() {
        Debug.Log(LayerMask.NameToLayer("TransparentFX"));
    }
}