enablecontentresponseonwrite-sample-write-disable.cs

ToDoActivity item = new ToDoActivity() { ...};
ItemResponse<ToDoActivity> itemResponse = await this.container.CreateItemAsync(
    item,
    requestOptions: new ItemRequestOptions() { EnableContentResponseOnWrite = false });
ToDoActivity responseContent = itemResponse.Resource; // This is really the same as "item"
double consumedRUs = itemResponse.Headers.RequestCharge;
string etag = itemResponse.Headers.ETag;
string session = itemResponse.Headers.Session;