-- example for system events processing from script
initial state ignore_shutdown;

transition "got USR1" ignore_shutdown - system(#type=="User1") / logParams(1) -> ignore_shutdown;
transition "got USR2, quit on shutdown" ignore_shutdown - system(#type=="User2") / logParams(1) -> quit_shutdown;
transition "got shutdown" ignore_shutdown - system(#type=="ServerShutdown") / {
 logParams(1); 
 set(#processed="true");
} -> ignore_shutdown;


state quit_shutdown;
transition "got shutdown" quit_shutdown - system(#type=="ServerShutdown") / {
  logParams(1);
  -- send BYE and stop
  stop(true);
  set(#processed="true");
  -- or we could just not set #processed, then DSM would to it
} -> end;

state end;

transition "hangup" (ignore_shutdown, quit_shutdown) - hangup / stop(false) -> end;