Parent.component.ts

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export class ParentComponent implements OnInit {
  // Text that will be sent to child, and binded with []
  inputText!: string;

  // Message set from @Output method `onMessageReceived`
  receivedMessage: string = '';

  constructor() {}

  ngOnInit() {}

  /**
   * Method invoked by `@Output` from child
   */
  onMessageReceived(message: string) {
    this.receivedMessage = message;
  }
}