Authorization Decorator

ClapsController.cs

...

using Microsoft.AspNetCore.Authorization;

...

// This authorize attribute will be applied to all routes in this controller
[Authorize]
[Route("api/[controller]")]
[ApiController]
public class ClapsController : ControllerBase
{
  // GET api/claps
  [HttpGet]
  public ActionResult<int> GetClaps()
  {
    // This will only return 50 if authenticated
    // Otherwise it will return a status code 401
    return 50;
  }
}