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

# Use `DescribeMaintenanceWindowTargets` with a CLI
<a name="ssm_example_ssm_DescribeMaintenanceWindowTargets_section"></a>

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

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

**AWS CLI**  
**Example 1: To list all targets for a Maintenance Window**  
The following `describe-maintenance-window-targets` example lists all of the targets for a maintenance window.  

```
aws ssm describe-maintenance-window-targets \
    --window-id "mw-06cf17cbefEXAMPLE"
```
Output:  

```
{
    "Targets": [
        {
            "ResourceType": "INSTANCE",
            "OwnerInformation": "Single instance",
            "WindowId": "mw-06cf17cbefEXAMPLE",
            "Targets": [
                {
                    "Values": [
                        "i-0000293ffdEXAMPLE"
                    ],
                    "Key": "InstanceIds"
                }
            ],
            "WindowTargetId": "350d44e6-28cc-44e2-951f-4b2c9EXAMPLE"
        },
        {
            "ResourceType": "INSTANCE",
            "OwnerInformation": "Two instances in a list",
            "WindowId": "mw-06cf17cbefEXAMPLE",
            "Targets": [
                {
                    "Values": [
                        "i-0000293ffdEXAMPLE",
                        "i-0cb2b964d3EXAMPLE"
                    ],
                    "Key": "InstanceIds"
                }
            ],
            "WindowTargetId": "e078a987-2866-47be-bedd-d9cf4EXAMPLE"
        }
    ]
}
```
**Example 2: To list all targets for a maintenance window matching a specific owner information value**  
This `describe-maintenance-window-targets` example lists all of the targets for a maintenance window with a specific value.  

```
aws ssm describe-maintenance-window-targets \
    --window-id "mw-0ecb1226ddEXAMPLE" \
    --filters "Key=OwnerInformation,Values=CostCenter1"
```
Output:  

```
{
    "Targets": [
        {
            "WindowId": "mw-0ecb1226ddEXAMPLE",
            "WindowTargetId": "da89dcc3-7f9c-481d-ba2b-edcb7d0057f9",
            "ResourceType": "INSTANCE",
            "Targets": [
                {
                    "Key": "tag:Environment",
                    "Values": [
                        "Prod"
                    ]
                }
            ],
            "OwnerInformation": "CostCenter1",
            "Name": "ProdTarget1"
        }
    ]
}
```
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*.  
+  For API details, see [DescribeMaintenanceWindowTargets](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ssm/describe-maintenance-window-targets.html) in *AWS CLI Command Reference*. 

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

**Tools for PowerShell V4**  
**Example 1: This example lists all of the targets for a maintenance window.**  

```
Get-SSMMaintenanceWindowTarget -WindowId "mw-06cf17cbefcb4bf4f"
```
**Output:**  

```
OwnerInformation : Single instance
ResourceType     : INSTANCE
Targets          : {InstanceIds}
WindowId         : mw-06cf17cbefcb4bf4f
WindowTargetId   : 350d44e6-28cc-44e2-951f-4b2c985838f6

OwnerInformation : Two instances in a list
ResourceType     : INSTANCE
Targets          : {InstanceIds}
WindowId         : mw-06cf17cbefcb4bf4f
WindowTargetId   : e078a987-2866-47be-bedd-d9cf49177d3a
```
+  For API details, see [DescribeMaintenanceWindowTargets](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 all of the targets for a maintenance window.**  

```
Get-SSMMaintenanceWindowTarget -WindowId "mw-06cf17cbefcb4bf4f"
```
**Output:**  

```
OwnerInformation : Single instance
ResourceType     : INSTANCE
Targets          : {InstanceIds}
WindowId         : mw-06cf17cbefcb4bf4f
WindowTargetId   : 350d44e6-28cc-44e2-951f-4b2c985838f6

OwnerInformation : Two instances in a list
ResourceType     : INSTANCE
Targets          : {InstanceIds}
WindowId         : mw-06cf17cbefcb4bf4f
WindowTargetId   : e078a987-2866-47be-bedd-d9cf49177d3a
```
+  For API details, see [DescribeMaintenanceWindowTargets](https://docs.aws.amazon.com/powershell/v5/reference) in *AWS Tools for PowerShell Cmdlet Reference (V5)*. 

------