# Configure a CanRawSender node CanRawSender node lets you set a predefined list of CAN Raw messages to send. ![CanRawSender screenshot](pictures/canrawsender.png) Click on the + sign to add as much as needed signals to send. For each signals, you has to define: - the CAN arbitration ID - Data load - Loop checkbox make the signal repeat infinitely - Interval is used with loop to define how much time between 2 sends Once clicked on ***Play*** button in the main Window to launch the simulation, then each signals will be sent in the same order than defined in the CanRawSender node then using interval to repeat themselves. Signals without ***loop*** checked will not be sent, you have to click manually on the ***Send*** button to trigger a sending.