How to return 403 Forbidden response as IActionResult in ASP.NET Core

Question

I would like to return a 403 Forbidden to the client when trying to perform an invalid operation. What is the method I need to use?

I searched over the internet but

Answer 1

If you don't return ActionResult for response, you can use the following code :

public List get()
{
   ... 
   ... // check logic
   ...

   Response.StatusCode = 403;
   return new List();
}