**To list all tasks for a Maintenance Window** This example lists all of the tasks for a Maintenance Window. Command:: aws ssm describe-maintenance-window-tasks --window-id "mw-06cf17cbefcb4bf4f" Output:: { "Tasks": [ { "ServiceRoleArn": "arn:aws:iam::<aws_account_id>:role/MaintenanceWindowsRole", "MaxErrors": "1", "TaskArn": "AWS-RunShellScript", "MaxConcurrency": "1", "WindowTaskId": "a23e338d-ff30-4398-8aa3-09cd052ebf17", "TaskParameters": { "commands": { "Values": [ "df" ] } }, "Priority": 10, "WindowId": "mw-06cf17cbefcb4bf4f", "Type": "RUN_COMMAND", "Targets": [ { "Values": [ "i-0000293ffd8c57862" ], "Key": "InstanceIds" } ] } ] } **To list all tasks for a Maintenance Window that invoke the AWS-RunPowerShellScript Run Command** This example lists all of the tasks for a Maintenance Window that invoke the ``AWS-RunPowerShellScript`` Run Command. Command:: aws ssm describe-maintenance-window-tasks --window-id "mw-ab12cd34ef56gh78" --filters "Key=TaskArn,Values=AWS-RunPowerShellScript" **To list all tasks for a Maintenance Window that have a Priority of 3** This example lists all of the tasks for a Maintenance Window that have a ``Priority`` of ``3``. Command:: aws ssm describe-maintenance-window-tasks --window-id "mw-ab12cd34ef56gh78" --filters "Key=Priority,Values=3" **To list all tasks for a Maintenance Window that have a Priority of 1 and use Run Command** This example lists all of the tasks for a Maintenance Window that have a ``Priority`` of ``1`` and use ``Run Command``. Command:: aws ssm describe-maintenance-window-tasks --window-id "mw-ab12cd34ef56gh78" --filters "Key=Priority,Values=1" "Key=TaskType,Values=RUN_COMMAND"