public AppActivationStatusDTO SetMandantStatusByKunde(AppActivationStatusDTO data)
 {
     if (Login())
     {
         return(Put <AppActivationStatusDTO>($"AppMandant", data));
     }
     return(null);
 }
 public async Task <AppActivationStatusDTO> SetMandantStatusByKundeAsync(AppActivationStatusDTO data)
 {
     return(await Task <AppActivationStatusDTO> .Run(() => { return SetMandantStatusByKunde(data); }));
 }