Jenga Identifier is the visual identifier of a record from the UI perspective. Jenga.NET uses Jenga Identifier property to represent the record on linked tables and dropdowns (Instead of using the Primary Key).
[AutoGenerateTable(0)]
[JengaEntity]
[Alias("categories")]
public class Category
{
[PrimaryKey]
[AutoIncrement]
public int Id { get; set; }
[JengaIdentifier] //diplayed on linked tables and dropdowns
public string Subject { get; set; }
}