in vnext/code-samples/dotnet/src/cosmosdb-vnext-test/Program.cs [104:110]
private async Task<Database> CreateDatabaseAsync(string databaseName)
{
// Create a new database
DatabaseResponse databaseResponse = await cosmosClient.CreateDatabaseIfNotExistsAsync(databaseName);
Console.WriteLine($"Database created with status: {databaseResponse.StatusCode}");
return databaseResponse.Database;
}