name : put-account-settings.rst **To modify the account settings for an IAM user or IAM role** The following ``put-account-setting`` example modifies the account settings for the specified IAM user or IAM role. :: aws ecs put-account-setting \ --name serviceLongArnFormat \ --value enabled \ --principal-arn arn:aws:iam::123456789012:user/MyUser Output:: { "setting": { "name": "serviceLongArnFormat", "value": "enabled", "principalArn": "arn:aws:iam::123456789012:user/MyUser" } }