It is AWS best practice to launch EC2 machine from an approved/golden AMi. Approved AMI is an image of EC2 Instance having all the necessary softwares and setting configured for you application which help in scaling, quick and secure deployment.
Use this to initiate a workflow based on time, events or HTTP calls.
Select resources on which you want to work on.
Add an enrichment to add new qualities to incoming data.
Enter parameters to filter resources in the workflow.
Send notification with a custom message.