Mage2\User\Controllers\Admin\RoleController::update PHP Method

    public function update(RoleRequst $request, $id)
    {
        try {
            $role = Role::findorfail($id);
            $role->update($request->all());
            $this->_saveRolePermissions($request, $role);
        } catch (\Exception $e) {
            echo 'Caught exception: ', $e->getMessage(), "\n";
        }
        return redirect()->route('admin.role.index')->with('notificationText', " Role Updates Successfully!");
    }