EnumReflection

verboseenum.swift

class Analytics {
    static func track(event: AppEvent) {
        switch event {
        case .livestreamStarted: break
            // Just tracking
        case .liveStreamEnded(let duration):
            let param = ["duration": duration]
            // Then track the event with associated param
        case .gameRoomCreated(let gameName, let invitedFriends):
            let param = [
                "gameName": gameName,
                "invitedFriends": invitedFriends
                ] as [String : Any]
            // Then track the event with associated params
        }
    }
}

enum AppEvent {
    case livestreamStarted
    case liveStreamEnded(duration: Float)
    case gameRoomCreated(gameName: String, invitedFriends: [String])
}

Analytics.track(event: .livestreamStarted)
Analytics.track(event: .liveStreamEnded(duration: 100))