public async Task <IHttpActionResult> UpdatePersonFace(string personGroupId, string personId, string faceId, UserDataApiModel userData)
        {
            //TODO: Update person group info based on what's sent in.  In other words, only update the name and user data when they're not null.

            return(Ok());
        }
        public async Task <IHttpActionResult> AddPersonFace(string personGroupId, string personId, UserDataApiModel userData)
        {
            //TODO: Default person ID to a generated GUID if null.  Name should be required.
            var personFaceByteArray = await Request.Content.ReadAsByteArrayAsync();

            return(Ok());
        }