Topics

An SNS topic is a communication channel where a publisher can publish messages and a subscriber can get messages by subscribing to it. The SNS topic name should be unique to your AWS account. In a single AWS account, we can create up to 100,000 topics.

AWS Management Console

Go to the AWS SNS Management Console at https://console.aws.amazon.com/sns/v2/home and perform the following steps:

1. Click Topics in the navigation pane on the left.
2. Click Create new topic:

Figure 8.1: Creating a new topic

Provide details as follows:

• Topic name: Type in aws-bootcamp. We can add up to 256 alphanumeric characters, hyphens (-), and underscores (_).
• Display name: Type in bootcamp. The display name can be up to 10 characters only. The display name is used if we have an SMS subscription.

3. Once the details have been provided, click Create topic:

Figure 8.2: Topic listing

AWS CLI

To execute the CLI script, open Command Prompt.

The following command will create an SNS topic:

aws sns create-topic --name "aws-bootcamp"

The...