// This will retrun the layer mask of the specified gameObject
gameObject.layer
// You can as well modify this value through code
gameObject.layer = LayerMask.NameToLayer("SomeOtherLayer")
// This will retrun the layer mask of the specified gameObject
gameObject.layer
// You can as well modify this value through code
gameObject.layer = LayerMask.NameToLayer("SomeOtherLayer")