Defined in: types.ts:882

Emitted when a thinking/reasoning step starts.

• BaseAGUIEvent

optional model: string;

optional model: string;

Defined in: types.ts:751

Model identifier for multi-model support

BaseAGUIEvent.model

optional rawEvent: unknown;

optional rawEvent: unknown;

Defined in: types.ts:753

Original provider event for debugging/advanced use cases

BaseAGUIEvent.rawEvent

stepId: string;

stepId: string;

Defined in: types.ts:885

Unique identifier for this step

optional stepType: string;

optional stepType: string;

Defined in: types.ts:887

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

timestamp: number;

timestamp: number;

Defined in: types.ts:749

BaseAGUIEvent.timestamp

type: "STEP_STARTED";

type: "STEP_STARTED";

Defined in: types.ts:883

BaseAGUIEvent.type