" Accessing operator properties " | value | [ value := DJISDKManager missionControl followMeMissionOperator. ] on: Error do: [:ex| ^self abortPage ]. (value class selectors select: [:each| (each startsWith: #is) and: [each argumentCount = 0] ]) ,#( currentState followMeCoordinate ) do: [:msg| self print: ' ',msg,'=',(value perform: msg) ].