How to access Default properties and custom properties using Groovy scripts.

The SoapUI site gives a following guide on using properties within Groovy scripts:

https://www.soapui.org/scripting-properties/tips-tricks.html#1-Accessing-Properties--Settings-and-Names

It also helps to get familiar with the SoapUI object model:

https://www.soapui.org/scripting---properties/the-soapui-object-model.html

Karel