## AuthService
private currentUser: Subject<ApplicationUser>;
user$: Observable<ApplicationUser>;

  constructor(private http: HttpClient, private router: Router) {
    this.currentUser = new Subject();
    this.user$ = this.currentUser.asObservable();
  }
  getCurrentUserInfo() {
    this.currentUser.next(new ApplicationUser('asd', 'asd'));
  }

## Component

currentUser: ApplicationUser;
  ngOnInit() {
    this.authService.checkAccess();
    this.authService.user$.subscribe((userData) => { this.currentUser = userData; });
  }

## Widok

<a>{{(currentUser)?.Email}}</a>