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

    public function index()
    {
        $role = new Role();
        $dataGrid = DataGrid::make($role);
        $dataGrid->addColumn(DataGrid::textColumn('name', 'Role Name'));
        $dataGrid->addColumn(DataGrid::textColumn('description', 'Role Description'));
        if (Gate::allows('hasPermission', [AdminUser::class, "admin.role.edit"])) {
            $dataGrid->addColumn(DataGrid::linkColumn('edit', 'Edit', function ($row) {
                return "<a href='" . route('admin.role.edit', $row->id) . "'>Edit</a>";
            }));
        }
        if (Gate::allows('hasPermission', [AdminUser::class, "admin.role.edit"])) {
            $dataGrid->addColumn(DataGrid::linkColumn('destroy', 'Destroy', function ($row) {
                return "<form method='post' action='" . route('admin.role.destroy', $row->id) . "'>" . "<input type='hidden' name='_method' value='delete'/>" . csrf_field() . '<a href="#" onclick="jQuery(this).parents(\'form:first\').submit()">Destroy</a>' . "</form>";
            }));
        }
        return view('admin.user.role.index')->with('dataGrid', $dataGrid);
    }