OAuth 2.0 authorization request parameters which are the request parameters that the OAuth 2.0 authorization endpoint of the authorization server implementation received from the client application.

The value of parameters is either (1) the entire query string when the HTTP method of the request from the client application is GET or (2) the entire entity body (which is formatted in application/x-www-form-urlencoded) when the HTTP method of the request from the client application is POST.