# has(_:) Creates a new predicate that describes entities that have a specific component. ``` static func has(_ t: T.Type) -> QueryPredicate where T : Component ``` ## Parameters `t` The type of component. ## Return Value A predicate that describes entities with a specified component. ## Discussion To create a `has` predicate, pass the component class’s `self` property. ```swift let myPredicate = QueryPredicate.has(ModelComponent.self) ``` --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)