RTIR Custom Field Display

Does anyone know how RTIR hides it’s custom fields from being displayed
by the call:

<& /Ticket/Elements/ShowCustomFields, Ticket => $TicketObj &>

in the share/html/RTIR/Incident/Display.html ?

I mean, they hard code the values in, but somehow there is magic
somewhere that keeps this command from presenting them?

Any ideas?
Wes Young
Network Security Analyst
University at Buffalo
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