**Example 1: To list all tasks for a maintenance window** The following ``describe-maintenance-window-tasks`` example lists all of the tasks for the specified maintenance window. :: aws ssm describe-maintenance-window-tasks \ --window-id "mw-06cf17cbefEXAMPLE" Output:: { "Tasks": [ { "WindowId": "mw-06cf17cbefEXAMPLE", "WindowTaskId": "018b31c3-2d77-4b9e-bd48-c91edEXAMPLE", "TaskArn": "AWS-RestartEC2Instance", "TaskParameters": {}, "Type": "AUTOMATION", "Description": "Restarting EC2 Instance for maintenance", "MaxConcurrency": "1", "MaxErrors": "1", "Name": "My-Automation-Example-Task", "Priority": 0, "ServiceRoleArn": "arn:aws:iam::111222333444:role/aws-service-role/ssm.amazonaws.com/AWSServiceRoleForAmazonSSM", "Targets": [ { "Key": "WindowTargetIds", "Values": [ "da89dcc3-7f9c-481d-ba2b-edcb7EXAMPLE" ] } ] }, { "WindowId": "mw-06cf17cbefEXAMPLE", "WindowTaskId": "1943dee0-0a17-4978-9bf4-3cc2fEXAMPLE", "TaskArn": "AWS-DisableS3BucketPublicReadWrite", "TaskParameters": {}, "Type": "AUTOMATION", "Description": "Automation task to disable read/write access on public S3 buckets", "MaxConcurrency": "10", "MaxErrors": "5", "Name": "My-Disable-S3-Public-Read-Write-Access-Automation-Task", "Priority": 0, "ServiceRoleArn": "arn:aws:iam::111222333444:role/aws-service-role/ssm.amazonaws.com/AWSServiceRoleForAmazonSSM", "Targets": [ { "Key": "WindowTargetIds", "Values": [ "da89dcc3-7f9c-481d-ba2b-edcb7EXAMPLE" ] } ] } ] } **Example 2: To list all tasks for a maintenance window that invokes the AWS-RunPowerShellScript command document** The following ``describe-maintenance-window-tasks`` example lists all of the tasks for the specified maintenance window that invokes the ``AWS-RunPowerShellScript`` command document. :: aws ssm describe-maintenance-window-tasks \ --window-id "mw-ab12cd34eEXAMPLE" \ --filters "Key=TaskArn,Values=AWS-RunPowerShellScript" Output:: { "Tasks": [ { "WindowId": "mw-ab12cd34eEXAMPLE", "WindowTaskId": "0d36e6b4-3a4f-411e-adcb-3558eEXAMPLE", "TaskArn": "AWS-RunPowerShellScript", "Type": "RUN_COMMAND", "Targets": [ { "Key": "WindowTargetIds", "Values": [ "da89dcc3-7f9c-481d-ba2b-edcb7EXAMPLE" ] } ], "TaskParameters": {}, "Priority": 1, "ServiceRoleArn": "arn:aws:iam::111222333444:role/aws-service-role/ssm.amazonaws.com/AWSServiceRoleForAmazonSSM", "MaxConcurrency": "1", "MaxErrors": "1", "Name": "MyTask" } ] } **Example 3: To list all tasks for a maintenance window that have a Priority of 3** The following ``describe-maintenance-window-tasks`` example lists all of the tasks for the specified maintenance window that have a ``Priority`` of ``3``. :: aws ssm describe-maintenance-window-tasks \ --window-id "mw-ab12cd34eEXAMPLE" \ --filters "Key=Priority,Values=3" Output:: { "Tasks": [ { "WindowId": "mw-ab12cd34eEXAMPLE", "WindowTaskId": "0d36e6b4-3a4f-411e-adcb-3558eEXAMPLE", "TaskArn": "AWS-RunPowerShellScript", "Type": "RUN_COMMAND", "Targets": [ { "Key": "WindowTargetIds", "Values": [ "da89dcc3-7f9c-481d-ba2b-edcb7EXAMPLE" ] } ], "TaskParameters": {}, "Priority": 3, "ServiceRoleArn": "arn:aws:iam::111222333444:role/aws-service-role/ssm.amazonaws.com/AWSServiceRoleForAmazonSSM", "MaxConcurrency": "1", "MaxErrors": "1", "Name": "MyRunCommandTask" }, { "WindowId": "mw-ab12cd34eEXAMPLE", "WindowTaskId": "ee45feff-ad65-4a6c-b478-5cab8EXAMPLE", "TaskArn": "AWS-RestartEC2Instance", "Type": "AUTOMATION", "Targets": [ { "Key": "WindowTargetIds", "Values": [ "da89dcc3-7f9c-481d-ba2b-edcb7EXAMPLE" ] } ], "TaskParameters": {}, "Priority": 3, "ServiceRoleArn": "arn:aws:iam::111222333444:role/aws-service-role/ssm.amazonaws.com/AWSServiceRoleForAmazonSSM", "MaxConcurrency": "10", "MaxErrors": "5", "Name": "My-Automation-Task", "Description": "A description for my Automation task" } ] } **Example 4: To list all tasks for a maintenance window that have a Priority of 1 and use Run Command** This ``describe-maintenance-window-tasks`` example lists all of the tasks for the specified maintenance window that have a ``Priority`` of ``1`` and use ``Run Command``. :: aws ssm describe-maintenance-window-tasks \ --window-id "mw-ab12cd34eEXAMPLE" \ --filters "Key=Priority,Values=1" "Key=TaskType,Values=RUN_COMMAND" Output:: { "Tasks": [ { "WindowId": "mw-ab12cd34eEXAMPLE", "WindowTaskId": "0d36e6b4-3a4f-411e-adcb-3558eEXAMPLE", "TaskArn": "AWS-RunPowerShellScript", "Type": "RUN_COMMAND", "Targets": [ { "Key": "WindowTargetIds", "Values": [ "da89dcc3-7f9c-481d-ba2b-edcb7EXAMPLE" ] } ], "TaskParameters": {}, "Priority": 1, "ServiceRoleArn": "arn:aws:iam::111222333444:role/aws-service-role/ssm.amazonaws.com/AWSServiceRoleForAmazonSSM", "MaxConcurrency": "1", "MaxErrors": "1", "Name": "MyRunCommandTask" } ] } For more information, see `View information about maintenance windows (AWS CLI) <https://docs.aws.amazon.com/systems-manager/latest/userguide/maintenance-windows-cli-tutorials-describe.html>`__ in the *AWS Systems Manager User Guide*.