| URLHelper Fields | 
The URLHelper type exposes the following members.
| Name | Description | |
|---|---|---|
| DEFAULT_HTTP_PORT | 
            Constant for HTTP port. 
              | |
| DEFAULT_HTTPS_PORT | 
            Constant for HTTPS port.
              | |
| SYSTEM_QUERY_PARAMETER | 
            Used in system requests of live site pages, it prevents the system to log statistics or activities, e.g. when dynamic newsletter is generated.
              |