Scaling a non-partitioned (fixed) container) with Azure Cosmos DB .NET V3 SDK (GA)

ScaleFixedContainer.cs

// Scale fixed container using partition key in .NET V3 SDK
public static async Task ScaleNonPartitionedContainer()
{    
    using (var cosmosClient = new CosmosClient(endpoint, key))
    {
        //Get reference to existing fixed container
        var container = cosmosClient.GetDatabase(databaseId).GetContainer(containerId);              

        // Add item to container without partition key
        var user = new User()
        {
            Id = "bob",
            Status = "Learning Azure Cosmos DB!"
        };
        await container.CreateItemAsync<User>(user, PartitionKey.None);

        // Now start taking advantage of partitioning! Create and add a new item with partition key value of user Id
        var userWithPartitionKey = new User()
        {
            Id = "alice",
            PartitionKey = "alice",
            Status = "Partitioning all the things"
        };

        await container.CreateItemAsync<User>(userWithPartitionKey, new PartitionKey(userWithPartitionKey.PartitionKey));

        // Scale throughtput beyond  10,000 RU/s limit of fixed containers
        var throughputResponse = await container.ReplaceThroughputAsync(15000);
    }

}

// Example of the User class
public class User
{
    public User()
    {
    }

    [JsonProperty(PropertyName = "id")]
    public string Id { get; set; }

    [JsonProperty(PropertyName = "_partitionKey", NullValueHandling = NullValueHandling.Ignore)] // Enbales optional PartitionKey value
    public string PartitionKey { get; set; }

    [JsonProperty(PropertyName = "status")]
    public string Status { get; set; }

}