Hi, The flowchart disappears when using background=mytest here: --8<---------------cut here---------------start------------->8--- \usemodule[chart] \startuniqueMPgraphic{mytest} path p ; p := unitsquare xscaled \overlaywidth yscaled \overlayheight ; fill p withcolor green ; \stopuniqueMPgraphic \defineoverlay[mytest][\uniqueMPgraphic{mytest}] \starttext \framed[background=mytest]{this works} \startFLOWchart[test] \startFLOWcell \name{test} \text{test} \connection[lr]{test} % \comment[t:0.5]{\framed{this works}} \comment[t:0.5]{\framed[background=mytest]{bla}} \stopFLOWcell \stopFLOWchart \FLOWchart[test] \stoptext --8<---------------cut here---------------end--------------->8--- How could I get the desired background in the comment please? TIA for any help, -- Peter