Znuny Open Source Ticketsystem

I've tried adding the code but it did not change any of the outputs. Do I need to change anything in the .dtl files?

How do I add the header information to AgentTicketZoom view? I know there is a plain format that can do that but what I need is for it to show it in the ticket view instead of the plain format view. http://server/otrs/index.pl?Action=AgentTicketZoom;TicketID=1 I need the following for every message....