@startuml

Actor "End User" as End_User
Participant "Synchronize.jar" as Synchronize.jar
Actor "Admin Distribution Environment" as Admin_Distribution_Environment
Participant "Distribution Environment" as Distribution_Environment

Admin_Distribution_Environment->End_User : Email about new version
End_User->Synchronize.jar : Click on the jar
End_User->Synchronize.jar : Accept licence update
Synchronize.jar->Distribution_Environment : Download the new version
Distribution_Environment-->End_User : Send back the validation utility

@enduml