# count(_:) Enforces that the array has exactly a certain number of elements. ``` static func count(_ count: Int) -> GenerationGuide<[Element]> where Value == [Element] ``` ## Discussion A `count` generation guide may be used when you want to ensure the model produces exactly a certain number array elements, such as the number of items in a game’s shop. ```swift @Generable struct Shop { @Guide(description: "A creative name for a shop in a fantasy RPG") var name: String @Guide(description: "A list of items for sale", .count(3)) var inventory: [ShopItem] } ``` --- 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)