# Subscribing a Lambda function to an Amazon SNS topic
<a name="lambda-console"></a>

This topic explains how to subscribe a Lambda function to an Amazon SNS topic, enabling the function to be triggered by published messages.

1. Sign in to the [Amazon SNS console](https://console.aws.amazon.com/sns/home).

1. On the navigation panel, choose **Topics**.

1. On the **Topics** page, choose a topic.

1. In the **Subscriptions** section, choose **Create subscription**.

1. On the **Create subscription** page, in the **Details** section, do the following:

   1. Verify the chosen **Topic ARN**.

   1. For **Protocol** choose AWS Lambda.

   1. For **Endpoint** enter the ARN of a function.

   1. Choose **Create subscription**.

When a message is published to an Amazon SNS topic that has a Lambda function subscribed to it, the Lambda function is invoked with the payload of the published message. For information about how to use AWS Lambda with Amazon SNS, including a tutorial, see [ Using AWS Lambda with Amazon SNS](https://docs.aws.amazon.com/lambda/latest/dg/with-sns.html).