Send an event into the event system (multi line input for headers):

sendevent <event-name> 

Example of sendevent with a message body, the length of the body is specified by content-length:

sendevent SEND_MESSAGE 
Content-Type: text/plain 
User: 1001 
Profile: internal 
Host: lab.opentelecomsolutions.com 
Content-Lenght: 11 
Hello World