angular/aio/content/examples/inputs-outputs/src/app/item-output/item-output.component.html

<h2>Child component with @Output()</h2>

<!-- #docregion child-output -->
<label>Add an item: <input #newItem></label>
<button (click)="addNewItem(newItem.value)">Add to parent's list</button>
<!-- #enddocregion child-output -->