LCD screen program in Competition Template

My team still uses Vex EDR and we cannot figure out how to program the LCD for autonomous selection in the competition template. We are using RobotC to program. Does anyone have a sample of a code that has worked for them in a competition?

I could swear there was code in the RobotC sample library…

https://vexforum.com/t/vex-lcd-pre-autonomous-mode-chooser/36927/1

We use a variation of the @jpearman codes (there is a link in the above thread) and it has worked very well for us!

Take a look at the LCD Library I developed last year (and am still using this year):