Orchestration activities for AWS Orchestration - Amazon EC2 adds these activities for use in workflows. For more information on Orchestration - Amazon EC2, see Amazon AWS Cloud. For the list of all Orchestration activities, see Orchestration activities. EC2 activity result valuesEC2 activities use a REST message to communicate with Amazon. All EC2 activities set their activity.result value based on the response code returned by this REST message.Change State activity for AWSThe Change State activity sends commands to a VM to start, stop, or reboot the instance.Create Tag activityThe Create Tag activity adds private tags to a VM to simplify the administration of your EC2 environment.Describe Images activityThe Describe Images activity retrieves information about one or more Amazon machine images (AMI) visible to the specified account. This activity also retrieves information about all public Amazon images, account-owned images, and images from specified shared accounts.Describe Instances activityThe Describe Instances activity retrieves information about a single instance or all instances associated with the given EC2 account and region.Describe KeyPairs ActivityThe Describe KeyPairs activity retrieves information about the key pairs defined in the specified EC2 account.Describe Regions activityThe Describe Regions activity retrieves all the region endpoints defined by Amazon.Run Instances activityThe Run Instances activity launches a specified number of instances of an image.Terminate Instances activityThe Terminate Instances activity terminates one or more instances in the specified region of the given EC2 account.