NAME RT-Extension-LinkedTicketsHistory - show linked tickets' history on ticket display page INSTALLATION "perl Makefile.PL" "make" "make install" May need root permissions Edit your /opt/rt4/etc/RT_SiteConfig.pm Add this line: Set(@Plugins, qw(RT::Extension::LinkedTicketsHistory)); or add "RT::Extension::LinkedTicketsHistory" to your existing @Plugins line. Clear your mason cache rm -rf /opt/rt4/var/mason_data/obj Restart your webserver CONFIGURATION @LinkedTicketsHistoryTransactionTypes By default, all history will be shown. You can limit the types of history transactions displayed with this configuration option: Set(@LinkedTicketsHistoryTransactionTypes, 'Create', 'Correspond'); Valid values are transaction types from the RT Transactions table. For example, Create, Correspond, and Comment would get you all messages on the ticket, but omit other transactions like added links (AddLink), status changes (Status), etc. AUTHOR sunnavy BUGS All bugs should be reported via email to bug-RT-Extension-LinkedTicketsHistory@rt.cpan.org or via the web at rt.cpan.org . LICENSE AND COPYRIGHT This software is Copyright 2013 Best Practical Solutions, LLC. This is free software, licensed under: The GNU General Public License, Version 2, June 1991