added modules for ticket permission checks Kernel/System/Ticket/Permission/OwnerCheck.pm Kernel/System/Ticket/Permission/GroupCheck.pm Kernel/System/Ticket/CustomerPermission/CustomerIDCheck.pm Kernel/System/Ticket/CustomerPermission/GroupCheck.pm So it's possible to write own perission check modules! Example: Don't allow agents to change the priority if the state of the ticket is 'open' and in a specific queue.
added modules for ticket permission checks
Kernel/System/Ticket/Permission/OwnerCheck.pm
Kernel/System/Ticket/Permission/GroupCheck.pm
Kernel/System/Ticket/CustomerPermission/CustomerIDCheck.pm
Kernel/System/Ticket/CustomerPermission/GroupCheck.pm
So it's possible to write own perission check modules!
Example: Don't allow agents to change the priority if the state
of the ticket is 'open' and in a specific queue.

linearregression/otrs,MBRG/otrs,mbeijen/otrs-1,mburggraf/otrs,nilei/otrs,oiami/otrs,noritnk/otrs,muehlbauer/otrs,mburggraf/otrs,muehlbauer/otrs,brandonshults01/otrs,nilei/otrs,rudy500/otrs,brandonshults01/otrs,oiami/otrs,PortgasDAce/otrs,thorsteneckel/otrs,oiami/otrs,balazj/otrs,thorsteneckel/otrs,nilei/otrs,noritnk/otrs,mburggraf/otrs,capeit-tto/otrs,crythias/otrs,vlascoder/otrs,PortgasDAce/otrs,xhoy/otrs,linearregression/otrs,oiami/otrs,thorsteneckel/otrs,linearregression/otrs,linearregression/otrs,brandonshults01/otrs,thorsteneckel/otrs,moritz/otrs,PortgasDAce/otrs,brandonshults01/otrs,balazj/otrs,eliasp/otrs,MBRG/otrs,rudy500/otrs,s7design/otrs,noritnk/otrs,balazj/otrs,crythias/otrs,xhoy/otrs,eliasp/otrs,brandonshults01/otrs,eliasp/otrs,xhoy/otrs,linearregression/otrs,vlascoder/otrs,rudy500/otrs,muehlbauer/otrs,mburggraf/otrs,rudy500/otrs,nilei/otrs,StCyr/otrs,crythias/otrs,mbeijen/otrs-1,moritz/otrs,capeit-tto/otrs,s7design/otrs,xhoy/otrs,StCyr/otrs,mburggraf/otrs,crythias/otrs,s7design/otrs,s7design/otrs,balazj/otrs,mbeijen/otrs-1,moritz/otrs,moritz/otrs,thorsteneckel/otrs,vlascoder/otrs,muehlbauer/otrs,s7design/otrs,StCyr/otrs,PortgasDAce/otrs,rudy500/otrs,eliasp/otrs,moritz/otrs,muehlbauer/otrs,MBRG/otrs,StCyr/otrs,StCyr/otrs,balazj/otrs,eliasp/otrs,crythias/otrs,PortgasDAce/otrs,oiami/otrs,capeit-tto/otrs,MBRG/otrs,xhoy/otrs,nilei/otrs,MBRG/otrs