constraining chord set to a particular key

once i choose a chord set or come up with my own, how do i constarin it to another specific key. in scaler 2 on the left hand side there was a dropbox i could go to and select to constrain and chhose key

Welcome to the forum @djelvisteven The Lock icon to the right of Section A locks browsing chord sets to the key of your currently selected scale. A few users have asked that there be an option where the Scale doesn’t change but the chord sets load into their original key.