MessageProcessorCall.java

public class MessageProcessorCall implements MessageProcessor{
	@Override
	public MuleEvent process(MuleEvent event) throws MuleException {
		System.out.println("\n-------Process Executing, updating payload-------");
		event.getMessage().setPayload("Payload Modified from Message processor");
		System.out.println("\n-------Process executed, payload updated-------");
		return event;
	}
}