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[Home](./index.md) &gt; [@empathyco/x-components](./x-components.md) &gt; [SubjectPayload](./x-components.subjectpayload.md) &gt; [metadata](./x-components.subjectpayload.metadata.md)

## SubjectPayload.metadata property

Extra data of the event.

**Signature:**

```typescript
metadata: SomeEventMetadata;
```