Need help in writing a http string for a http monitor.

Hi Guys, need a quick help in writing a http send and receive string for a http monitor.

I have pool members set up with port 8443, and the customer wants keep alives to be sent on 9090. So in http monitor, how do I write that ?

http://:9090/AIHealthCheck/probe. This is the url needed for writing Send string in http monitor. So how do I write this in Get \r\n.

Pls help.