//Get the dynamic configuration from the container
DynamicConfiguration conf = (DynamicConfiguration) container.getTransformationParameters().get(StreamTransformationConstants.DYNAMIC_CONFIGURATION);

//Create the TServerLocation key in namespace http://sap.com/xi/XI/System/SOAP. This key will hold the dynamically created URL
DynamicConfigurationKey key = DynamicConfigurationKey.create("http://sap.com/xi/XI/System/SOAP", [b]"TServerLocation"[/b]);

//Put the url value from the input in the configuration under the specified key
conf.put(key, url);

//return the data for mapping to the output
return data;

public String getUser(Container container){
DynamicConfiguration conf = (DynamicConfiguration) container.getTransformationParameters().get(StreamTransformationConstants.DYNAMIC_CONFIGURATION);

DynamicConfigurationKey keyURL1 = DynamicConfigurationKey.create( "http://sap.com/xi/XI/Message/30", "User");
String ourUser = conf.get(keyURL1);
return ourUser;
}