# EventBusV2ParametersProperty

Parameters for forwarding events to another EventBridge event bus, used when TargetArn is an event bus ARN of the form arn:{partition}:events:{region}:{account}:event-busv2/{name}/{id}.

- 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 eventBusV2ParametersProperty: eventsv2.CfnSubscriber.EventBusV2ParametersProperty = {
  deduplicationConfiguration: {
    deduplicationType: 'deduplicationType',
  },
  metadata: {
    metadataKey: 'metadata',
  },
  systemMetadata: {
    deduplicationId: 'deduplicationId',
    eventGroupId: 'eventGroupId',
  },
};
```

## Properties

- `deduplicationConfiguration`: [IResolvable](/cdk/api/v2/docs/aws-cdk-lib.IResolvable.html) | [CfnSubscriber.DeduplicationConfigurationProperty](/cdk/api/v2/docs/aws-cdk-lib.aws_eventsv2.CfnSubscriber.DeduplicationConfigurationProperty.html) — Deduplication settings applied to the forwarded events on the downstream bus.

- `metadata`: [IResolvable](/cdk/api/v2/docs/aws-cdk-lib.IResolvable.html) | { [key: string]: string } — Metadata forwarded with each event, as key-value string pairs, with at most 100 entries.

  A key or value may also be a JSONata expression.

- `systemMetadata`: [IResolvable](/cdk/api/v2/docs/aws-cdk-lib.IResolvable.html) | [CfnSubscriber.EventBusV2SystemMetadataProperty](/cdk/api/v2/docs/aws-cdk-lib.aws_eventsv2.CfnSubscriber.EventBusV2SystemMetadataProperty.html) — Customer-controllable system metadata attached to each forwarded event.