public static async Task <Challenge> getChallengeQuestion(User user)
{
string route = !String.IsNullOrEmpty(user.id) ? APIRoutes.challengeQuestionWithUserIdRoute(user.id) :
APIRoutes.challengeQuestionWithExternalIdRoute(user.external_id);
SMResponse m = await AsyncClient.get(route);
return(m == null ? null : m.challenge);
}
