Create a topic using the AWS CLI
Run the following command, replacing ClusterArn with the Amazon Resource Name (ARN) of your cluster. If you don't have the ARN for your cluster, you can find it by listing all clusters. For more information, see List Amazon MSK clusters.
aws kafka create-topic --cluster-arnClusterArn--topic-name MyTopic --partition-count 3 --replication-factor 3
The output of this command looks like the following JSON example.
{ "topicArn": "arn:aws:kafka:us-east-1:123456789012:topic/MyCluster/abcd1234-abcd-dcba-4321-a1b2abcd9f9f-2/MyTopic", "topicName": "MyTopic", "status": "CREATING" }