如何从指令调用父方法？

I have directive like this

我有这样的指示

.directive('myModal', function() {
    return {
        restrict: 'A',
        replace: true,
        scope: {
            myModalId: '@'
        },   
        template: '<div id="{{myModalId}}" class="modal">' +
            '<div ng-click="parentMethod()" class="modal-dialog">' +
                '...' +
            '</div>' +
        '</div>'
    }
});
.directi