How to calculate time consumed running a process in X++

This code can be used to calculate the time consumed running a process

 static void Job21(Args _args)  
 {  
   int startTime = timeNow();  
   int endTime;  
   sleep(5000);  
   endTime = timeNow();  
   info(strFmt("Process took %1", timeConsumed(startTime, endTime)));  
 }