Set-Cookie HTTP response header is used to send a cookie from the server to the user agent, so that the user agent can send it back to the server later. To send multiple cookies, multiple
Set-Cookie headers should be sent in the same response.
Set-Cookie header, as required by the Fetch spec, which defines
Set-Cookie as a forbidden response-header name that must be filtered out from any response exposed to frontend code.
For more information, see the guide on Using HTTP cookies.