**To update server engine attributes**

The following ``update-server-engine-attributes`` command updates the value of the 
``CHEF_PIVOTAL_KEY`` engine attribute for a Chef Automate server named ``automate-06``.
It is currently not possible to change the value of other engine attributes.::

  aws opsworks-cm update-server-engine-attributes --attribute-name CHEF_PIVOTAL_KEY --attribute-value "new key value" --server-name "automate-06"

The output shows you information similar to the following about the updated server.
*Output*::

  {
   "Server": { 
      "BackupRetentionCount": 2,
      "CreatedAt": 2016-07-29T13:38:47.520Z,
      "DisableAutomatedBackup": FALSE,
      "Endpoint": "https://opsworks-cm.us-east-1.amazonaws.com",
      "Engine": "Chef",
      "EngineAttributes": [ 
         { 
            "Name": "CHEF_PIVOTAL_KEY",
            "Value": "new key value"
         }
      ],
      "EngineModel": "Single",
      "EngineVersion": "12",
      "InstanceProfileArn": "arn:aws:iam::1019881987024:instance-profile/automate-06-1010V4UU2WRM2",
      "InstanceType": "m4.large",
      "KeyPair": "",
      "MaintenanceStatus": "SUCCESS",
      "PreferredBackupWindow": "Mon:09:15",
      "PreferredMaintenanceWindow": "03:00",
      "SecurityGroupIds": [ "sg-1a24c270" ],
      "ServerArn": "arn:aws:iam::1019881987024:instance/automate-06-1010V4UU2WRM2",
      "ServerName": "automate-06",
      "ServiceRoleArn": "arn:aws:iam::1019881987024:role/aws-opsworks-cm-service-role.1114810729735",
      "Status": "HEALTHY",
      "StatusReason": "",
      "SubnetIds": [ "subnet-49436a18" ]
   }
}

**More Information**

For more information, see `UpdateServerEngineAttributes`_ in the *AWS OpsWorks for Chef Automate API Reference*.

.. _`UpdateServerEngineAttributes`: http://docs.aws.amazon.com/opsworks-cm/latest/APIReference/API_UpdateServerEngineAttributes.html