You could find the entity type Customer only has three Attributes, though it's OpenType="real" attribute. Given that OData $find will not cover several complex queries I want, I assume I will stick with static DTO and forbid $pick out operations in the least. Anyway, many many thanks to your assist! https://kingswoodhomes.uk.com/news/kingswood-homes-site-manager-swaps-site-boots-for-dancing-shoes/