sorry the images turned out huge and this article is hard to read
if you reference a screen multi-select choice element in a formula, the formula uses the choice label, not the choice value. #
choice with value defined #
choice is used in screen multiselect checkbox group : #
output uses choice labels #
but, if you first assign the screen field to a variable, and use the variable in the formula, then you get the values. #
assign screen field to variable #
output uses choice values #
feature or bug…you decide! #