public virtual Task <AddPersistedFaceResult> AddFaceToFaceListAsync(string faceListId, string imageUrl, string userData = null, Rectangle targetFace = null) { return(PolicyService.ExecuteRetryAndCapture400Errors( "FaceService.AddFaceToFaceListAsync", ApiKeys.FaceRetryInSeconds, () => { var result = FaceRepository.AddFaceToFaceListAsync(faceListId, imageUrl, userData, targetFace); return result; }, null)); }