app-template-wportal-wdirective.ts

@Component({
  selector: 'my-app',
  template: `
        <ng-template cdkPortal #testTemplate="cdkPortal" let-name>
          <div>User {{ name }} </div>        
        </ng-template>`,
})
export class AppComponent implements OnInit {
    @ViewChild('testTemplate') testTemplatePortal: TemplatePortal<any>;

    constructor() { } 
}