TanStack

StructuredOutputStartEvent

Interface: StructuredOutputStartEvent

Defined in: packages/ai/src/types.ts:1404

Emitted at the start of a streaming structured-output run, before the JSON deltas. Tells consumers that the upcoming TEXT_MESSAGE_CONTENT deltas belong to a structured response so they can route those bytes into a StructuredOutputPart instead of building a TextPart. Carries the messageId the deltas will be tagged with so the routing decision can be made per-message rather than globally.

Extends

Properties

metadata?

ts
optional metadata?: Record<string, any>;

Defined in: packages/ai/src/types.ts:1368

Inherited from

CustomEvent.metadata


name

ts
name: "structured-output.start";

Defined in: packages/ai/src/types.ts:1405

Overrides

ts
CustomEvent.name

type

ts
type: "CUSTOM";

Defined in: packages/ai/src/types.ts:1367

Inherited from

CustomEvent.type


value

ts
value: object;

Defined in: packages/ai/src/types.ts:1406

messageId

ts
messageId: string;

Overrides

ts
CustomEvent.value