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

# Use `DescribeInstancePatches` with a CLI
<a name="ssm_example_ssm_DescribeInstancePatches_section"></a>

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

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

**AWS CLI**  
**Example 1: To get the patch state details for an instance**  
The following `describe-instance-patches` example retrieves details about the patches for the specified instance.  

```
aws ssm describe-instance-patches \
    --instance-id "i-1234567890abcdef0"
```
Output:  

```
{
    "Patches": [
        {
            "Title": "2019-01 Security Update for Adobe Flash Player for Windows Server 2016 for x64-based Systems (KB4480979)",
            "KBId": "KB4480979",
            "Classification": "SecurityUpdates",
            "Severity": "Critical",
            "State": "Installed",
            "InstalledTime": "2019-01-09T00:00:00+00:00"
        },
        {
            "Title": "",
            "KBId": "KB4481031",
            "Classification": "",
            "Severity": "",
            "State": "InstalledOther",
            "InstalledTime": "2019-02-08T00:00:00+00:00"
        },
        ...
    ],
    "NextToken": "--token string truncated--"
}
```
**Example 2: To get a list of patches in the Missing state for an instance**  
The following `describe-instance-patches` example retrieves information about patches that are in the Missing state for the specified instance.  

```
aws ssm describe-instance-patches \
    --instance-id "i-1234567890abcdef0" \
    --filters Key=State,Values=Missing
```
Output:  

```
{
    "Patches": [
        {
            "Title": "Windows Malicious Software Removal Tool x64 - February 2019 (KB890830)",
            "KBId": "KB890830",
            "Classification": "UpdateRollups",
            "Severity": "Unspecified",
            "State": "Missing",
            "InstalledTime": "1970-01-01T00:00:00+00:00"
        },
        ...
    ],
    "NextToken": "--token string truncated--"
}
```
For more information, see [About Patch Compliance States](https://docs.aws.amazon.com/systems-manager/latest/userguide/about-patch-compliance-states.html) in the *AWS Systems Manager User Guide*.  
**Example 3: To get a list of patches installed since a specified InstalledTime for an instance**  
The following `describe-instance-patches` example retrieves information about patches installed since a specified time for the specified instance by combining the use of `--filters` and `--query`.  

```
aws ssm describe-instance-patches \
    --instance-id "i-1234567890abcdef0" \
    --filters Key=State,Values=Installed \
    --query "Patches[?InstalledTime >= `2023-01-01T16:00:00`]"
```
Output:  

```
{
    "Patches": [
        {
            "Title": "2023-03 Cumulative Update for Windows Server 2019 (1809) for x64-based Systems (KB5023702)",
            "KBId": "KB5023702",
            "Classification": "SecurityUpdates",
            "Severity": "Critical",
            "State": "Installed",
            "InstalledTime": "2023-03-16T11:00:00+00:00"
        },
        ...
    ],
    "NextToken": "--token string truncated--"
}
```
+  For API details, see [DescribeInstancePatches](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ssm/describe-instance-patches.html) in *AWS CLI Command Reference*. 

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

**Tools for PowerShell V4**  
**Example 1: This example gets the patch compliance details for an instance.**  

```
Get-SSMInstancePatch -InstanceId "i-08ee91c0b17045407"
```
+  For API details, see [DescribeInstancePatches](https://docs.aws.amazon.com/powershell/v4/reference) in *AWS Tools for PowerShell Cmdlet Reference (V4)*. 

**Tools for PowerShell V5**  
**Example 1: This example gets the patch compliance details for an instance.**  

```
Get-SSMInstancePatch -InstanceId "i-08ee91c0b17045407"
```
+  For API details, see [DescribeInstancePatches](https://docs.aws.amazon.com/powershell/v5/reference) in *AWS Tools for PowerShell Cmdlet Reference (V5)*. 

------