Angular 2 : child componenet -> parent componenet

Angular 2 : child componenet -> parent componenet

// child component :

export class ChildComponent implements OnInit {
    @Output() close: EventEmitter<boolean> = new EventEmitter<boolean>();
    callEvent() {
       this.close.emit(true);
    }
    ...
}

// method to ble called from the father after event trigerred : 

export class ParentComponent {
    isChildCrying(isIt: boolean) {
        ...
    }
    ...
}

// html :

<parent-component>
   <child-component (close)="isChildCrying($event)"></child-component>
</parent-component>