Equivalent to webclient.downloadstring in C#

c# plugin is there a equivalent to webclient.downloadstring

 

Using Oxide.Core.Libraries;
There are 2 webrequests
WebRequests.PostWebrequest
and
WebRequests.PostWebrequest

Code:

            WebRequests.GetWebrequest test = new WebRequests.GetWebrequest("http://",(x,y) => myFunction(x,y),this);
            test.Process();

 

thanks mate