How to extract specific values from an XML response in an AppSheet Webhook

[Msant77s]

Hi, I'm working with a webhook in AppSheet to integrate with a SOAP service. I get a response in XML format, but I'm having trouble accessing the specific "GuideNumber" value within the response. Here's an example of the response I get:

Is there any way to access this value without having to use an appscript??
Directly with the webhook return values? I've tried many ways and always get a conversion error