FoundationModels · IOS API REFERENCE

SystemLanguageModel.Executor

struct · iOS 27.0+ · SDK 27.1

struct Executor

Members (3)

init · iOS 27.0+

init

TypeScript

static init(configuration: SystemLanguageModel_Executor_Configuration): SystemLanguageModel_Executor

Swift declaration

init(configuration: SystemLanguageModel.Executor.Configuration)

Creates an executor from a configuration.

method · iOS 27.0+

prewarm

TypeScript

prewarm(model: SystemLanguageModel, transcript: Transcript): void

Swift declaration

func prewarm(model: SystemLanguageModel.Executor.Model, transcript: Transcript)

Loads assets into memory or pre-fills caches ahead of a request. - Note: The default implementation is a no-op.

method · iOS 27.0+

respond

TypeScript

respond(request: LanguageModelExecutorGenerationRequest, model: SystemLanguageModel, channel: LanguageModelExecutorGenerationChannel): Promise<void>

Swift declaration

nonisolated(nonsending) func respond(to request: LanguageModelExecutorGenerationRequest, model: SystemLanguageModel, streamingInto channel: LanguageModelExecutorGenerationChannel) async throws

Creates a response stream containing deltas. - Parameters: - request: The generation request. - model: The model instance for this request, providing live model state. - channel: A channel used to send events. - Note: If the model declares that it does not have a given capability via ``LanguageModel/capabilities``, then the system will automatically throw an error instead of invoking this method. You do not need to manually validate the request for any functionality captured by ``LanguageModelCapabilities``.

Skipped declarations

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