There are more AWS SDK examples available in the [AWS Doc SDK Examples](https://github.com/awsdocs/aws-doc-sdk-examples) GitHub repo.

# Use `DescribeMaintenanceWindowExecutionTaskInvocations` with a CLI
<a name="ssm_example_ssm_DescribeMaintenanceWindowExecutionTaskInvocations_section"></a>

The following code examples show how to use `DescribeMaintenanceWindowExecutionTaskInvocations`.

------
#### [ CLI ]

**AWS CLI**  
**To get the specific task invocations performed for a maintenance window task execution**  
The following `describe-maintenance-window-execution-task-invocations` example lists the invocations for the specified task executed as part of the specified maintenance window execution.  

```
aws ssm describe-maintenance-window-execution-task-invocations \
    --window-execution-id "518d5565-5969-4cca-8f0e-da3b2a638355" \
    --task-id "ac0c6ae1-daa3-4a89-832e-d384503b6586"
```
Output:  

```
{
    "WindowExecutionTaskInvocationIdentities": [
        {
            "Status": "SUCCESS",
            "Parameters": "{\"documentName\":\"AWS-RunShellScript\",\"instanceIds\":[\"i-0000293ffd8c57862\"],\"parameters\":{\"commands\":[\"df\"]},\"maxConcurrency\":\"1\",\"maxErrors\":\"1\"}",
            "InvocationId": "e274b6e1-fe56-4e32-bd2a-8073c6381d8b",
            "StartTime": 1487692834.723,
            "EndTime": 1487692834.871,
            "WindowExecutionId": "518d5565-5969-4cca-8f0e-da3b2a638355",
            "TaskExecutionId": "ac0c6ae1-daa3-4a89-832e-d384503b6586"
        }
    ]
}
```
For more information, see [View Information About Tasks and Task Executions (AWS CLI)](https://docs.aws.amazon.com/systems-manager/latest/userguide/mw-cli-tutorial-task-info.html) in the *AWS Systems Manager User Guide*.  
+  For API details, see [DescribeMaintenanceWindowExecutionTaskInvocations](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ssm/describe-maintenance-window-execution-task-invocations.html) in *AWS CLI Command Reference*. 

------
#### [ PowerShell ]

**Tools for PowerShell V4**  
**Example 1: This example lists the invocations for a task executed as part of a maintenance window execution.**  

```
Get-SSMMaintenanceWindowExecutionTaskInvocationList -TaskId "ac0c6ae1-daa3-4a89-832e-d384503b6586" -WindowExecutionId "518d5565-5969-4cca-8f0e-da3b2a638355"
```
**Output:**  

```
EndTime           : 2/21/2017 4:00:34 PM
ExecutionId       :
InvocationId      : e274b6e1-fe56-4e32-bd2a-8073c6381d8b
OwnerInformation  :
Parameters        : {"documentName":"AWS-RunShellScript","instanceIds":["i-0000293ffd8c57862"],"parameters":{"commands":["df"]},"maxConcurrency":"1",
                    "maxErrors":"1"}
StartTime         : 2/21/2017 4:00:34 PM
Status            : FAILED
StatusDetails     : The instance IDs list contains an invalid entry.
TaskExecutionId   : ac0c6ae1-daa3-4a89-832e-d384503b6586
WindowExecutionId : 518d5565-5969-4cca-8f0e-da3b2a638355
WindowTargetId    :
```
+  For API details, see [DescribeMaintenanceWindowExecutionTaskInvocations](https://docs.aws.amazon.com/powershell/v4/reference) in *AWS Tools for PowerShell Cmdlet Reference (V4)*. 

**Tools for PowerShell V5**  
**Example 1: This example lists the invocations for a task executed as part of a maintenance window execution.**  

```
Get-SSMMaintenanceWindowExecutionTaskInvocationList -TaskId "ac0c6ae1-daa3-4a89-832e-d384503b6586" -WindowExecutionId "518d5565-5969-4cca-8f0e-da3b2a638355"
```
**Output:**  

```
EndTime           : 2/21/2017 4:00:34 PM
ExecutionId       :
InvocationId      : e274b6e1-fe56-4e32-bd2a-8073c6381d8b
OwnerInformation  :
Parameters        : {"documentName":"AWS-RunShellScript","instanceIds":["i-0000293ffd8c57862"],"parameters":{"commands":["df"]},"maxConcurrency":"1",
                    "maxErrors":"1"}
StartTime         : 2/21/2017 4:00:34 PM
Status            : FAILED
StatusDetails     : The instance IDs list contains an invalid entry.
TaskExecutionId   : ac0c6ae1-daa3-4a89-832e-d384503b6586
WindowExecutionId : 518d5565-5969-4cca-8f0e-da3b2a638355
WindowTargetId    :
```
+  For API details, see [DescribeMaintenanceWindowExecutionTaskInvocations](https://docs.aws.amazon.com/powershell/v5/reference) in *AWS Tools for PowerShell Cmdlet Reference (V5)*. 

------