On Wednesday, 21 Jun 2017 at 13:33, Gyro Funch wrote:
> Unfortunately, I am a newbie with elisp, so am not sure of the best
> way to accomplish this?

You could possibly *advice* the agenda dispatch command.  See "Advising
Named Functions" in the Elisp info manual.

-- 
: Eric S Fraga via Emacs 26.0.50, Org release_9.0.8-582-g15c9e9