Defined in: types.ts:777

Emitted when a text message starts.

• BaseAGUIEvent

messageId: string;

messageId: string;

Defined in: types.ts:780

Unique identifier for this message

optional model: string;

optional model: string;

Defined in: types.ts:722

Model identifier for multi-model support

BaseAGUIEvent.model

optional rawEvent: unknown;

optional rawEvent: unknown;

Defined in: types.ts:724

Original provider event for debugging/advanced use cases

BaseAGUIEvent.rawEvent

role: "assistant";

role: "assistant";

Defined in: types.ts:782

Role is always assistant for generated messages

timestamp: number;

timestamp: number;

Defined in: types.ts:720

BaseAGUIEvent.timestamp

type: "TEXT_MESSAGE_START";

type: "TEXT_MESSAGE_START";

Defined in: types.ts:778

BaseAGUIEvent.type