If You don't want so as to add the MoreLinq library in your task just to obtain the DistinctBy functionality Then you can certainly get the same final result using the overload of Linq's Distinct system that usually takes in an IEqualityComparer argument. For an illustration of a member variable https://propertyingurugram.in/smart-world-to-invest-rs-30-bn-in-three-housing-projects-in-gurugram/