# ITopicSubscription

Topic subscription.

Extends: ITopicSubscription
Implemented by: EmailSubscription, FirehoseSubscription, LambdaSubscription, SmsSubscription, SqsSubscription, UrlSubscription

- Source: [`aws-sns/lib/subscriber.ts`](https://github.com/aws/aws-cdk/blob/v2.275.0/packages/aws-cdk-lib/aws-sns/lib/subscriber.ts#L41)

## Methods

- `bind(topic: ITopic): TopicSubscriptionConfig` — Returns a configuration used to subscribe to an SNS topic.

  **Parameters**

  - `topic` — topic for which subscription will be configured.