Forum Discussion
I don't think the usage of properties depends on headless or UI.
Below documentation should help :
- https://www.soapui.org/docs/scripting-and-properties/property-expansion/
- https://www.soapui.org/docs/scripting-and-properties/working-with-properties/
- https://www.soapui.org/docs/functional-testing/properties/working-with-properties/