**To get information about an AWS IoT role alias** The following ``describe-role-alias`` example displays details for the specified role alias. :: aws iot describe-role-alias \ --role-alias LightBulbRole Output:: { "roleAliasDescription": { "roleAlias": "LightBulbRole", "roleAliasArn": "arn:aws:iot:us-west-2:123456789012:rolealias/LightBulbRole", "roleArn": "arn:aws:iam::123456789012:role/light_bulb_role_001", "owner": "123456789012", "credentialDurationSeconds": 3600, "creationDate": 1570558643.221, "lastModifiedDate": 1570558643.221 } } For more information, see `DescribeRoleAlias <https://docs.aws.amazon.com/iot/latest/apireference/API_DescribeRoleAlias.html>`__ in the *AWS IoT API Reference*.