The XML Trigger calls a remote service that returns an XML document and uses XPath to fire based on the value from the XPath Expression.

| Parameter | Value | 
|---|---|
| Service Url | The URL to the remote service. | 
| Xml Expression | The XML expression to run, the path to the XML document should be defined here. | 
| Http Method | The http method to execute. | 
| Http Timeout | The time it will take for the request to timeout. | 
| Username (optional) | The username required to connect to the service, if different to the Ouvvi Windows Service Credentials. | 
| Password (optional) | The password required to connect to the service, if different to the Ouvvi Windows Service Credentials. | 
| Domain (optional) | The domain for server authentication. |