To use a web service, you need to make an HTTP request using an HttpClientRequest object.  The older XPRIM_HttpRequest still exists.

Below is an example of how to do a simple GET request and get the response as a string:

     Define_Com Class(#PRIM_SRVM.HttpClientRequest) Name(#Request)
     Define_Com Class(#PRIM_DC.UnicodeString) Name(#ResponseText)
     * Do the get request
     #Request.DoGet Url('http://mytestserver/api/echoservice')
     * Get the result as string
     #ResponseText := #Request.Response.AsString

The HttpClientRequest has the following methods (each corresponds to an HTTP verb):

• DoGet
• DoPost
• DoPut
• DoDelete
• DoPatch
• DoTrace
• DoHead
• DoOptions