in Hands-on lab/lab-files/Tools/CustomerProfileJsonDataGenerator/CustomerProfileGenerator.cs [143:149]
private async Task WriteUserAccountsFile(List<User> userList, int fileNum, JsonSerializer serializer)
{
var fileName = $"{fileNum:0000}.json";
await _blobStorage.SetFileContentAsString(ContainerName, @$"{ProfileFolder1}\{fileName}",
JsonConvert.SerializeObject(userList, Formatting.Indented));
Console.WriteLine($"Created user account file: {fileName}");
}