# BaseListenerLookupOptions

Options for listener lookup.

- Source: [`aws-elasticloadbalancingv2/lib/shared/base-listener.ts`](https://github.com/aws/aws-cdk/blob/v2.274.0/packages/aws-cdk-lib/aws-elasticloadbalancingv2/lib/shared/base-listener.ts#L20)

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_elasticloadbalancingv2 as elbv2 } from 'aws-cdk-lib';
const baseListenerLookupOptions: elbv2.BaseListenerLookupOptions = {
  listenerPort: 123,
  loadBalancerArn: 'loadBalancerArn',
  loadBalancerTags: {
    loadBalancerTagsKey: 'loadBalancerTags',
  },
};
```

## Properties

- `listenerPort`: number — Filter listeners by listener port.

  **Default:** does not filter by listener port

- `loadBalancerArn`: string — Filter listeners by associated load balancer arn.

  **Default:** does not filter by load balancer arn

- `loadBalancerTags`: { [key: string]: string } — Filter listeners by associated load balancer tags.

  **Default:** does not filter by load balancer tags