trash.component.ts

export class TrashComponent implements OnInit, OnDestroy {
  const subscription: Subscription;
  constructor(private service: TrashService) { }
  
  ngOnInit() {
    this.store.dispatch(new UsersActions.Load());
    this.subscription = this.service.subscribe(greetings => console.log(greetings));
  }
  
  ngOnDestroy() {
    this.subscription.unsubscribe();
  }
}

trash.service.ts

@Injectable({
  providedIn: "root"
})
export class TrashService {

  userDetails:Observable<NoIdeaWhatTypeThisIsBecauseYourQuestionWasNotFormedWell>;

  constructor(private store: Store<fromUsersReducer.State>) {
    store.dispatch(new UsersActions.Load());
    this.userDetails = store.pipe(select(fromUsersReducer.getUsersDetails))
  }
}