You can add any object as a property of another object, and access them via dot notation: <a href="https:&#x2F;&#x2F;realm.io&#x2F;docs&#x2F;react-native&#x2F;latest&#x2F;#object-properties" rel="nofollow">https:&#x2F;&#x2F;realm.io&#x2F;docs&#x2F;react-native&#x2F;latest&#x2F;#object-properties</a><p>You can probably find some more advanced examples in our Swift docs <a href="https:&#x2F;&#x2F;realm.io&#x2F;docs&#x2F;swift&#x2F;latest&#x2F;#relationships" rel="nofollow">https:&#x2F;&#x2F;realm.io&#x2F;docs&#x2F;swift&#x2F;latest&#x2F;#relationships</a><p>We’re barely scratching the surface of this in our query language, which is heavily NSPredicate-inspired, but we might add more OpenCypher-ish features in the future. (And we’d greatly appreciate concrete use-cases or anything else you can share in a GitHub issue to help us prioritize development) <a href="https:&#x2F;&#x2F;github.com&#x2F;realm&#x2F;realm-js&#x2F;issues" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;realm&#x2F;realm-js&#x2F;issues</a>