action createCrossRateService() {
// Get the SessionInfo for the two underlying Sessions we want to use
// In this case, SessionId 1 and 2
sequence<com.apama.session.SessionInfo> sources := new
sequence<com.apama.session.SessionInfo>;
sources.append( sessionManagerIface.getSessionInfo( 1 );
sources.append( sessionManagerIface.getSessionInfo( 2 );

// Now create the Cross Rate Service
com.apama.md.adapter.CrossRateServiceSession crossRateService := new
com.apama.md.adapter.CrossRateServiceSession;
crossRateService.create( mainContext, "MyCrossRateSession", sources,
new sequence<com.apama.session.SessionConfigParams>,
xrateCreationSuccess, xrateCreationFailure );
}