[otrs] Sorting Tickets

I am trying to change the way that the Queue is sorted by default (not by clicking the sort button) so that I can see all tickets from a specific Customer ID all together. I saw that if you go into the sysconfig and the Ticket::Frontend::Agent::Ticket::ViewQueue you can change the sort to Age, Priority, Queue, Subject, Ticket & a whole bunch of Free Texts. Is there a way to add the Customer ID option here or is there another way to get what I need by editing the config files. Thanks.