ValueObject implementeation

LastName.cs

public sealed record LastName
{
	public const int MaxLength = 32;

	private LastName(string value)
	{
		Value = value;
	}

	public string Value { get; private set; }

	public static LastName Initialize(string lastName)
	{
		if (string.IsNullOrEmpty(lastName))
		{
			throw new ArgumentNullException(lastName);
		}

		if (lastName.Length > MaxLength)
		{
			throw new ArgumentException($"{nameof(LastName)} length is greater than max value ({MaxLength})", lastName);
		}

		return new LastName(lastName);
	}
}