**To describe a stack's registered Amazon RDS instances** The following example describes the Amazon RDS instances registered with a specified stack. :: aws opsworks --region us-east-1 describe-rds-db-instances --stack-id d72553d4-8727-448c-9b00-f024f0ba1b06 *Output*: The following is the output for a stack with one registered RDS instance. :: { "RdsDbInstances": [ { "Engine": "mysql", "StackId": "d72553d4-8727-448c-9b00-f024f0ba1b06", "MissingOnRds": false, "Region": "us-west-2", "RdsDbInstanceArn": "arn:aws:rds:us-west-2:123456789012:db:clitestdb", "DbPassword": "*****FILTERED*****", "Address": "clitestdb.cdlqlk5uwd0k.us-west-2.rds.amazonaws.com", "DbUser": "cliuser", "DbInstanceIdentifier": "clitestdb" } ] } For more information, see `Resource Management`_ in the *AWS OpsWorks User Guide*. .. _`Resource Management`: http://docs.aws.amazon.com/opsworks/latest/userguide/resources.html