Hi Karthiga,
The UDF is there in blog
DynamicConfiguration dynamicconfiguration = (DynamicConfiguration)param.get("DynamicConfiguration");
DynamicConfigurationKey dynamicconfigurationkey = DynamicConfigurationKey.create("http://sap.com/xi/XI/System/JMS", "DCJMSMessageProperty0");
String s = dynamicconfiguration.get(dynamicconfigurationkey);
CorrID.append(s);
Please let me know if you have any issue.
regards,
Harish