public function editRoleUsers($id)
	{
		if ( Shinobi::can( config('watchtower.acl.role.users', false) ) ) {
			$role = Role::findOrFail($id);

			$users = $role->users;

	    	$available_users = User::whereDoesntHave('roles', function ($query) use ($id) {
			    $query->where('role_id', $id);
			})->get();

			return view( config('watchtower.views.roles.user'), compact('role', 'users', 'available_users') );
		}

	 	return view( config('watchtower.views.layouts.unauthorized'), [ 'message' => 'sync role users' ]);
	}