public MailingCreationResponse CreateMailing(Mailing mailing) { var milingResponse = default(MailingCreationResponse); (MailingCreationResponse result, string statusCode, string message) = _api.Post <Mailing, MailingCreationResponse>("api/v1/oauth/mailing/create", mailing); if (result != null) { milingResponse = result; } return(milingResponse); }