Hi mgroen2,
Did you get a chance to review the comments in the following post:
https://community.smartbear.com/t5/SoapUI-Pro/Is-this-usage-scenario-supported-in-ReadyAPI/m-p/172813
Do these help answer your questions? Let me know if the two suggestions I've made help or not, if not let me know a bit more detail why they don't work and hopefully I can help further.