Defined in: types.ts:811

Emitted when a text message starts.

• BaseAGUIEvent

messageId: string;

Defined in: types.ts:814

Unique identifier for this message

optional model: string;

Defined in: types.ts:756

Model identifier for multi-model support

BaseAGUIEvent.model

optional rawEvent: unknown;

Defined in: types.ts:758

Original provider event for debugging/advanced use cases

BaseAGUIEvent.rawEvent

role: "user" | "assistant" | "tool" | "system";

Defined in: types.ts:816

Role of the message sender

timestamp: number;

Defined in: types.ts:754

BaseAGUIEvent.timestamp

type: "TEXT_MESSAGE_START";

Defined in: types.ts:812

BaseAGUIEvent.type