Hi Hans, shouldn’t the result for Lua from the delay key be 0 or 1? \def\scrn_transitions_set_indeed {\begingroup \edef\currentinteractionscreendelay{\interactionscreenparameter\c!delay}% \ctxcommand{setpagetransition{ n = "\scrn_transitions_list", delay = "\ifx\currentinteractionscreendelay\v!none 0\else\currentinteractionscreendelay\v!none\fi" }}% \endgroup} Wolfgang