Room: someRoom{
north = someOtherRoom
// Assigns a path between two room objects
}

Room: someOtherRoom{
n => someThirdRoom
// Assigns a one-way path from someOtherRoom to someThirdRoom
}

Room: someThirdRoom{
isVisited: false

Event: Enter_Room_First {
isVisited = true
// Assigns the value of the isVisited property to true the first time the player enters someThirdRoom
}
}