./scripts/Config -cfg kiosk
./scripts/Download -cfg kiosk
./scripts/Build-Target -cfg kiosk

And Create-ISO accepts config names accordingly:

./scripts/Create-ISO mycdset kiosk

Create-ISO allows to sort more than one build into the ISO files, for example to create mixed CPU architecture media or to add a rescue target along the main system:

./scripts/Create-ISO mycdset kiosk rescue

Additional options include:

Usage: ./scripts/Create-ISO [ -size MB ] [ -source ] [ -mkdebug ] [ -nomd5 ]
       ISO-Prefix [ Config [ .. ] ]

E.g.: ./scripts/Create-ISO mycdset system rescue