<img src="https://github.com/errorsolver/angular-tour-of-heroes/assets/72688274/6d69ccc7-2027-4e2d-b2fb-30e1f0f4c9f8" width=50%> Already try to using "scheduled()" but "return" get an error <img src="https://github.com/errorsolver/angular-tour-of-heroes/assets/72688274/ec95f147-a2a3-4b29-8620-f75edfbe8de2" width=50%> <img src="https://github.com/errorsolver/angular-tour-of-heroes/assets/72688274/99c4099c-d6c7-4b89-a0ea-d6b191096891" width=50%>
