ChoiceDef (GUI item type)
From modwiki
A choice field. It lets the user select from a range of choices by clicking on the item to cycle through the different options.Additional properties
Example(s)
choiceDef OG10Primary {
rect 220, 1, 50, 14
choices "#str_04221"
cvar "in_freeLook"
choiceType 0
font "fonts/bank"
textscale 0.25
textalign 1
textaligny -6
forecolor 0.6, 0.8, 0.8, 1
}

