public async Task PatchInstallationAsync()

in src/Microsoft.Azure.NotificationHubs/NotificationHubClient.cs [1261:1293]


        public async Task PatchInstallationAsync(string installationId, IList<PartialUpdateOperation> operations, CancellationToken cancellationToken)
        {
            if (string.IsNullOrWhiteSpace(installationId))
            {
                throw new ArgumentNullException(nameof(installationId));
            }

            if (operations == null)
            {
                throw new ArgumentNullException(nameof(operations));
            }

            if (operations.Count == 0)
            {
                throw new InvalidOperationException($"{nameof(operations)} list is empty");
            }

            var requestUri = GetGenericRequestUriBuilder();
            requestUri.Path += $"installations/{installationId}";

            await _retryPolicy.RunOperation(async (ct) =>
            {
                using (var request = CreateHttpRequest(new HttpMethod("PATCH"), requestUri.Uri, out var trackingId))
                {
                    request.Content = new StringContent(operations.ToJson(), Encoding.UTF8, "application/json-patch+json");

                    using (var response = await SendRequestAsync(request, trackingId, HttpStatusCode.OK, ct).ConfigureAwait(false))
                    {
                        return true;
                    }
                }
            }, cancellationToken);
        }