# IntentDefinitions.DefinitionCollection A collection of a specific type of definition. ``` struct DefinitionCollection ``` ## Overview Retrieve individual definitions using their type identifier string as shown in the following example: ```swift let orderIntent = definitions.intents[ "OrderCoffeeIntent" ] ``` ## Topics ### Subscripts [`subscript(String) -> Definition`](/documentation/AppIntentsTesting/IntentDefinitions/DefinitionCollection/subscript(_:)) Retrieves a type definition using its identifier. ## Relationships ### Conforms To [`Sendable`](/documentation/Swift/Sendable) [`SendableMetatype`](/documentation/Swift/SendableMetatype) --- 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)