integer reqId := com.apama.cumulocity.Util.generateReqId();
 
com.apama.cumulocity.FindEvent request := new com.apama.cumulocity.FindEvent;
request.reqId := reqId;
 
// Filter based on event type
request.params.add("type", "c8y_DoorOpenedEvent");
 
// Subscribe to com.apama.cumulocity.FindEventResponse.SUBSCRIBE_CHANNEL to listen
// for responses
monitor.subscribe(com.apama.cumulocity.FindEventResponse.SUBSCRIBE_CHANNEL);
 
// Listen for responses based on reqId
on all com.apama.cumulocity.FindEventResponse(reqId=reqId) as response
// Avoid listener leaks by terminating the listener on completion of the request
and not com.apama.cumulocity.FindEventResponseAck(reqId=reqId)
{
log "Received Event " + response.toString() at INFO;
}
 
// Listen for com.apama.cumulocity.FindEventResponseAck,
// this indicates that all responses have been received
on com.apama.cumulocity.FindEventResponseAck(reqId=reqId) as requestCompleted
{
log "Received all Event(s) for request " +
requestCompleted.reqId.toString() at INFO;
 
// Request is completed and we can unsubscribe from this channel
monitor.unsubscribe(com.apama.cumulocity.FindEventResponse.SUBSCRIBE_CHANNEL);
}
 
// Send request to find available events
send request to com.apama.cumulocity.FindEvent.SEND_CHANNEL;