app\Role::permissions PHP Method

    public function permissions()
    {
        return $this->belongsToMany(Permission::class);
    }

 /**
  * Assign permissions to role
  */
 public function updatePermissions(Request $request, Role $role)
 {
     $permissions = $request->checkedPermissions ?: [];
     // $permissions = array of submitted permissions OR if all checkboxes were unchecked, make it an empty array
     $role->permissions()->sync($permissions);
     logThis('Permissions for ' . $role->label . ' changed to ' . $role->permissions()->lists('label'));
     return $role->load('permissions');
 }