UnityEngine.Shader.SetGlobalTexture C# (CSharp) Method

        public static extern void SetGlobalTexture(int nameID, Texture tex);
        public static void SetGlobalTexture(string propertyName, Texture tex)

 public static void SetGlobalTexture(string propertyName, Texture tex)
 {
     Shader.SetGlobalTexture(Shader.PropertyToID(propertyName), tex);
 }