AfterMap

AfterMap runs after all mapping is completed. It is useful for setting derived fields or final adjustments.

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✅ Example 1: Set combined field

.AfterMap((src, dest) =>
{
    dest.FullName = $"{src.FirstName} {src.LastName}";
});

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✅ Example 2: Audit note

.AfterMap((src, dest) =>
{
    dest.Notes = $"Mapped on {DateTime.Now}";
});

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✅ Example 3: Derived calculations

.AfterMap((src, dest) =>
{
    dest.IsAdult = src.Age >= 18;
});