prepares to subscribe an endpoint by sending a confirmation message to the endpoint.
To actually subscribe to the topic, an endpoint owner must complete the confirmation process. For example, when you subscribe to an HTTP endpoint, the web application sends a confirmation message to the AWS service.
Input Fields
The Amazon resource name of the topic to which you want to subscribe.
Endpoint to which you want to send the notification.
Protocol to send the notification. You can choose one of the following subscriber protocol options: HTTP, HTTPS, email, application, SMS, SQS, and Lambda.