# WellKnownCustomEventName

# Type Alias: WellKnownCustomEventName

```ts
type WellKnownCustomEventName = typeof CUSTOM_EVENT[keyof typeof CUSTOM_EVENT];
```

Defined in: [packages/ai/src/custom-events.ts:30](https://github.com/TanStack/ai/blob/main/packages/ai/src/custom-events.ts#L30)

Union of the well-known CUSTOM event name literals.