Hi, here is an example to toy with: rollout rolMain "Test"( subRollout scriptBin width:100 height:200 pos:[-1,-1]-------------------------------------------------------------------------------- rollout rolSub_1 "rol_1" ( label lb_01 "rolSub_1" on rolSub_1 rolledUp bState do ( if (bState == true) then ( rolMain.height +=…