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

# Use `UpdateAssociation` with a CLI
<a name="ssm_example_ssm_UpdateAssociation_section"></a>

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

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

**AWS CLI**  
**Example 1: To update a document association**  
The following `update-association` example updates an association with a new document version.  

```
aws ssm update-association \
    --association-id "8dfe3659-4309-493a-8755-0123456789ab" \
    --document-version "\$LATEST"
```
Output:  

```
{
    "AssociationDescription": {
        "Name": "AWS-UpdateSSMAgent",
        "AssociationVersion": "2",
        "Date": 1550508093.293,
        "LastUpdateAssociationDate": 1550508106.596,
        "Overview": {
            "Status": "Pending",
            "DetailedStatus": "Creating"
        },
        "DocumentVersion": "$LATEST",
        "AssociationId": "8dfe3659-4309-493a-8755-0123456789ab",
        "Targets": [
            {
                "Key": "tag:Name",
                "Values": [
                    "Linux"
                ]
            }
        ],
        "LastExecutionDate": 1550508094.879,
        "LastSuccessfulExecutionDate": 1550508094.879
    }
}
```
For more information, see [Editing and creating a new version of an association](https://docs.aws.amazon.com/systems-manager/latest/userguide/sysman-state-assoc-edit.html) in the *AWS Systems Manager User Guide*.  
**Example 2: To update the schedule expression of an association**  
The following `update-association` example updates the schedule expression for the specified association.  

```
aws ssm update-association \
    --association-id "8dfe3659-4309-493a-8755-0123456789ab" \
    --schedule-expression "cron(0 0 0/4 1/1 * ? *)"
```
Output:  

```
{
    "AssociationDescription": {
        "Name": "AWS-HelloWorld",
        "AssociationVersion": "2",
        "Date": "2021-02-08T13:54:19.203000-08:00",
        "LastUpdateAssociationDate": "2021-06-29T11:51:07.933000-07:00",
        "Overview": {
            "Status": "Pending",
            "DetailedStatus": "Creating"
        },
        "DocumentVersion": "$DEFAULT",
        "AssociationId": "8dfe3659-4309-493a-8755-0123456789ab",
        "Targets": [
            {
                "Key": "aws:NoOpAutomationTag",
                "Values": [
                    "AWS-NoOpAutomationTarget-Value"
                ]
            }
        ],
        "ScheduleExpression": "cron(0 0 0/4 1/1 * ? *)",
        "LastExecutionDate": "2021-06-26T19:00:48.110000-07:00",
        "ApplyOnlyAtCronInterval": false
    }
}
```
For more information, see [Editing and creating a new version of an association](https://docs.aws.amazon.com/systems-manager/latest/userguide/sysman-state-assoc-edit.html) in the *AWS Systems Manager User Guide*.  
+  For API details, see [UpdateAssociation](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ssm/update-association.html) in *AWS CLI Command Reference*. 

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

**Tools for PowerShell V4**  
**Example 1: This example updates an association with a new document version.**  

```
Update-SSMAssociation -AssociationId "93285663-92df-44cb-9f26-2292d4ecc439" -DocumentVersion "1"
```
**Output:**  

```
Name                  : AWS-UpdateSSMAgent
InstanceId            :
Date                  : 3/1/2017 6:22:21 PM
Status.Name           :
Status.Date           :
Status.Message        :
Status.AdditionalInfo :
```
+  For API details, see [UpdateAssociation](https://docs.aws.amazon.com/powershell/v4/reference) in *AWS Tools for PowerShell Cmdlet Reference (V4)*. 

**Tools for PowerShell V5**  
**Example 1: This example updates an association with a new document version.**  

```
Update-SSMAssociation -AssociationId "93285663-92df-44cb-9f26-2292d4ecc439" -DocumentVersion "1"
```
**Output:**  

```
Name                  : AWS-UpdateSSMAgent
InstanceId            :
Date                  : 3/1/2017 6:22:21 PM
Status.Name           :
Status.Date           :
Status.Message        :
Status.AdditionalInfo :
```
+  For API details, see [UpdateAssociation](https://docs.aws.amazon.com/powershell/v5/reference) in *AWS Tools for PowerShell Cmdlet Reference (V5)*. 

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