     public let attendees: [Attendee]
 }
 
-public struct AttendingDisciplins {
+public struct AttendingDisciplins: Hashable {
     public let requiredPerformance: String?
     public let disciplin: Disciplin
     public let attendees: [Meldung]

    let yearOfBirth: Int
}

public struct Attendee {
    public let id: String?
    public let name: String
    public let number: Int?

    }
}

public struct Meldung: Hashable {
    public let performance: String?
    public let rank: Int?
    public let region: Region
