**To describe activations** The following ``describe-activations`` example lists details about the activations in your AWS account. :: aws ssm describe-activations Output:: { "ActivationList": [ { "ActivationId": "5743558d-563b-4457-8682-d16c3EXAMPLE", "Description": "Example1", "IamRole": "HybridWebServersRole, "RegistrationLimit": 5, "RegistrationsCount": 5, "ExpirationDate": 1584316800.0, "Expired": false, "CreatedDate": 1581954699.792 }, { "ActivationId": "3ee0322b-f62d-40eb-b672-13ebfEXAMPLE", "Description": "Example2", "IamRole": "HybridDatabaseServersRole", "RegistrationLimit": 5, "RegistrationsCount": 5, "ExpirationDate": 1580515200.0, "Expired": true, "CreatedDate": 1578064132.002 }, ] } For more information, see `Step 4: Create a Managed-Instance Activation for a Hybrid Environment <https://docs.aws.amazon.com/systems-manager/latest/userguide/sysman-managed-instance-activation.html>`__ in the *AWS Systems Manager User Guide*.