======Select specific Messages======
element3=>start: Select specific Messages element2=>operation: MessageCollector element1=>condition: OnMessageSelection element0=>subroutine: DelegatorJob element3->element2 element2->element1 element1(yes, right)->element0
  1. (Job) Select specific Messages
  2. (MessageCollector) MessageCollector
    1. (OnMessageSelection)
      1. (DelegatorJob) DelegatorJob