Defined in: types.ts:851

Emitted when a thinking/reasoning step starts.

• BaseAGUIEvent

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

stepId: string;

stepId: string;

Defined in: types.ts:854

Unique identifier for this step

optional stepType: string;

optional stepType: string;

Defined in: types.ts:856

Type of step (e.g., 'thinking', 'planning')

timestamp: number;

timestamp: number;

Defined in: types.ts:720

BaseAGUIEvent.timestamp

type: "STEP_STARTED";

type: "STEP_STARTED";

Defined in: types.ts:852

BaseAGUIEvent.type