# DeduplicationConfigurationProperty

Deduplication settings applied to the forwarded events on the downstream bus.

- Source: Generated code
- Type last changed: v2.275.0 · 26 Oct 2026

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_eventsv2 as eventsv2 } from 'aws-cdk-lib';
const deduplicationConfigurationProperty: eventsv2.CfnSubscriber.DeduplicationConfigurationProperty = {
  deduplicationType: 'deduplicationType',
};
```

## Properties

- `deduplicationType`: string (required) — How duplicate events are detected: CONTENT_BASED deduplicates by a hash of the event content.

  To deduplicate by a caller-supplied token instead, omit DeduplicationConfiguration and set SystemMetadata.DeduplicationId.