> For the complete documentation index, see [llms.txt](https://guide-angular.wishtack.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide-angular.wishtack.io/angular/dependency-injection/exemple.md).

# Exemple

## Code Source

<https://github.com/wishtack/wishtack-book-shop/tree/5-service>

## Démo StackBlitz

{% embed url="<https://stackblitz.com/github/wishtack/wishtack-book-shop/tree/5-service>" %}