if you shure you are doing all correct. and just what you want in go ahead, you can mark this task as complete. to do this open you swift project. right click > show package. press cmd + shift + . to see hidden files. Open .swiftps > playgrounds > UserData.plist Then add to array by key completedTaskIDs add new item with value dancingCreaturesView. save. restart. To see screenshot, you can visit my site https://koddom.com/kodim/playground-add-a-dancingcreatures-view/