@startuml hide empty description mainframe act FolderDocumentER state Folder { state "<<iterative>>" as fi <<expansionInput>> state "Folder" as fo <<expansionOutput>> state Document { state "<<iterative>>" as di <<expansionInput>> state "Document" as do <<expansionOutput>> state c1 <<choice>> state c2 <<choice>> state "Action X" as x di --> c1 c1 -r-> x : [Document invalid] c1 --> c2 : [Document valid] x --> c2 c2 --> do do --> fo } } [*] --> fi fi --> di fo --> [*] @enduml Submit amiga aws-orange black-knight bluegray blueprint cerulean-outline cerulean crt-amber crt-green cyborg-outline cyborg hacker lightgray mars materia-outline materia metal mimeograph minty plain reddress-darkblue reddress-darkgreen reddress-darkorange reddress-darkred reddress-lightblue reddress-lightgreen reddress-lightorange reddress-lightred sandstone silver sketchy-outline sketchy spacelab spacelab-white superhero-outline superhero toy united vibrant       🎉 Discover the future PlantUML Web Editor! 🚀  PNG  SVG  ASCII Art