Angular parent state/ props changed

App.ts

<news title="{{ title }}" content="{{ content }}"></news>

<button (click)="printState()">Print parent state</button>

/* *** */
export class AppComponent  {
  title="News title"; s
  content="A description should be here!";
  printState() {
    console.log(`News title: ${this.title}, News content: ${this.content}`);
  }
}