How to create a External Monitor?? Please help

Hi,

how to create an external monitor for below curl command. Below curl command giving an output "200" when running manually from F5

curl --header "Content-Type: text/xml;charset=UTF-8" --header "SOAPAction:http://mybase.xyz.com/mybaseService/HealthCheck" --data "" -o /dev/null -s -w %{http_code} http://servername:8080/mybaseWS/mybaseService

Please help.

-Jinshu