Describe Images input variables These variables determine the behavior of the activity. Field Description Account Name of the account from which to retrieve image information. Region Endpoint of the Amazon-defined region from which to retrieve the image information. Image The retrieved image ID that starts with "ami-." If this field is blank, information about all images visible to the account is retrieved. Sensor script The script to execute after the request is made and a response is received. The activity stores image information in an the images scratchpad variable.