Hi Aleksey,
There is a continue with announcement 'message' format in the sample application.
1<?xml encoding="UTF-8" version="1.0"?><Response><Result><Decision>Permit</Decision><Status></Status><Obligations><Obligation FulfillOn="Permit" ObligationId="urn:cisco:xacml:policy-attribute"><AttributeAssignment AttributeId="Policy:simplecontinue"><AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string"><cixml ver="1.0"><continue><greeting identification="custom_05011"/></continue> </cixml></AttributeValue></AttributeAssignment></Obligation></Obligations></Result></Response>
Have you tried a recipe like this? It's been a while since I ran the sample app, but I'm pretty sure I tried this feature when I was learning CURRI.
Mark