You will discover the entity type Customer only has 3 Houses, although it's got OpenType="correct" attribute. general public course Shopper public int CustomerId get; established; // structural property, primitive variety, key community Handle Place get; set; // structural house, elaborate kind public IList Orders get; set; // navigation house, entity https://kingswoodhomes.uk.com/news/kingswood-homes-site-manager-swaps-site-boots-for-dancing-shoes/