**To describe a stack's layers**

The following ``describe-layers`` commmand describes the layers in a specified stack::

  aws opsworks --region us-east-1 describe-layers --stack-id 38ee91e2-abdc-4208-a107-0b7168b3cc7a

*Output*::

  {
    "Layers": [
        {
            "StackId": "38ee91e2-abdc-4208-a107-0b7168b3cc7a",
            "Type": "db-master",
            "DefaultSecurityGroupNames": [
                "AWS-OpsWorks-DB-Master-Server"
            ],
            "Name": "MySQL",
            "Packages": [],
            "DefaultRecipes": {
                "Undeploy": [],
                "Setup": [
                    "opsworks_initial_setup",
                    "ssh_host_keys",
                    "ssh_users",
                    "mysql::client",
                    "dependencies",
                    "ebs",
                    "opsworks_ganglia::client",
                    "mysql::server",
                    "dependencies",
                    "deploy::mysql"
                ],
                "Configure": [
                    "opsworks_ganglia::configure-client",
                    "ssh_users",
                    "agent_version",
                    "deploy::mysql"
                ],
                "Shutdown": [
                    "opsworks_shutdown::default",
                    "mysql::stop"
                ],
                "Deploy": [
                    "deploy::default",
                    "deploy::mysql"
                ]
            },
            "CustomRecipes": {
                "Undeploy": [],
                "Setup": [],
                "Configure": [],
                "Shutdown": [],
                "Deploy": []
            },
            "EnableAutoHealing": false,
            "LayerId": "41a20847-d594-4325-8447-171821916b73",
            "Attributes": {
                "MysqlRootPasswordUbiquitous": "true",
                "RubygemsVersion": null,
                "RailsStack": null,
                "HaproxyHealthCheckMethod": null,
                "RubyVersion": null,
                "BundlerVersion": null,
                "HaproxyStatsPassword": null,
                "PassengerVersion": null,
                "MemcachedMemory": null,
                "EnableHaproxyStats": null,
                "ManageBundler": null,
                "NodejsVersion": null,
                "HaproxyHealthCheckUrl": null,
                "MysqlRootPassword": "*****FILTERED*****",
                "GangliaPassword": null,
                "GangliaUser": null,
                "HaproxyStatsUrl": null,
                "GangliaUrl": null,
                "HaproxyStatsUser": null
            },
            "Shortname": "db-master",
            "AutoAssignElasticIps": false,
            "CustomSecurityGroupIds": [],
            "CreatedAt": "2013-07-25T18:11:19+00:00",
            "VolumeConfigurations": [
                {
                    "MountPoint": "/vol/mysql",
                    "Size": 10,
                    "NumberOfDisks": 1
                }
            ]
        },
        {
            "StackId": "38ee91e2-abdc-4208-a107-0b7168b3cc7a",
            "Type": "custom",
            "DefaultSecurityGroupNames": [
                "AWS-OpsWorks-Custom-Server"
            ],
            "Name": "TomCustom",
            "Packages": [],
            "DefaultRecipes": {
                "Undeploy": [],
                "Setup": [
                    "opsworks_initial_setup",
                    "ssh_host_keys",
                    "ssh_users",
                    "mysql::client",
                    "dependencies",
                    "ebs",
                    "opsworks_ganglia::client"
                ],
                "Configure": [
                    "opsworks_ganglia::configure-client",
                    "ssh_users",
                    "agent_version"
                ],
                "Shutdown": [
                    "opsworks_shutdown::default"
                ],
                "Deploy": [
                    "deploy::default"
                ]
            },
            "CustomRecipes": {
                "Undeploy": [],
                "Setup": [
                    "tomcat::setup"
                ],
                "Configure": [
                    "tomcat::configure"
                ],
                "Shutdown": [],
                "Deploy": [
                    "tomcat::deploy"
                ]
            },
            "EnableAutoHealing": true,
            "LayerId": "e6cbcd29-d223-40fc-8243-2eb213377440",
            "Attributes": {
                "MysqlRootPasswordUbiquitous": null,
                "RubygemsVersion": null,
                "RailsStack": null,
                "HaproxyHealthCheckMethod": null,
                "RubyVersion": null,
                "BundlerVersion": null,
                "HaproxyStatsPassword": null,
                "PassengerVersion": null,
                "MemcachedMemory": null,
                "EnableHaproxyStats": null,
                "ManageBundler": null,
                "NodejsVersion": null,
                "HaproxyHealthCheckUrl": null,
                "MysqlRootPassword": null,
                "GangliaPassword": null,
                "GangliaUser": null,
                "HaproxyStatsUrl": null,
                "GangliaUrl": null,
                "HaproxyStatsUser": null
            },
            "Shortname": "tomcustom",
            "AutoAssignElasticIps": false,
            "CustomSecurityGroupIds": [],
            "CreatedAt": "2013-07-25T18:12:53+00:00",
            "VolumeConfigurations": []
        }
    ]
  }

**More Information**

For more information, see Layers_ in the *AWS OpsWorks User Guide*.

.. _Layers: http://docs.aws.amazon.com/opsworks/latest/userguide/workinglayers.html