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

# Expire a private offer using an AWS SDK
<a name="marketplace-catalog_example_marketplace-catalog_ExpirePrivateOffer_section"></a>

The following code examples show how to set the expiration date of a private offer to a date in the past so that buyers no longer see the offer.

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#### [ Java ]

**SDK for Java 2.x**  
 There's more on GitHub. Find the complete example and learn how to set up and run in the [AWS Marketplace API Reference Code Library](https://github.com/aws-samples/aws-marketplace-reference-code/tree/main/java#catalog-api-reference-code) repository. 
To run this example, pass the following JSON changeset to `RunChangesets` in *Utilities to start a changeset* from the **Utilities** section.  

```
{
    "Catalog": "AWSMarketplace",
    "ChangeSet": [
        {
            "ChangeType": "UpdateAvailability",
            "Entity": {
                "Type": "Offer@1.0",
                "Identifier": "offer-1111111111111"
            },
            "DetailsDocument": {
                "AvailabilityEndDate": "2023-01-01"
            }
        }
    ]
}
```
+  For API details, see [StartChangeSet](https://docs.aws.amazon.com/goto/SdkForJavaV2/marketplace-catalog-2018-09-17/StartChangeSet) in *AWS SDK for Java 2.x API Reference*. 

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#### [ Python ]

**SDK for Python (Boto3)**  
 There's more on GitHub. Find the complete example and learn how to set up and run in the [AWS Marketplace API Reference Code Library](https://github.com/aws-samples/aws-marketplace-reference-code/blob/main/python##catalog-api-reference-code) repository. 

```
{
    "Catalog": "AWSMarketplace",
    "ChangeSet": [
        {
            "ChangeType": "CreateOffer",
            "Entity": {
                "Type": "Offer@1.0"
            },
            "DetailsDocument": {
                "ProductId": "prod-1111111111111",
                "Name": "Test Private Offer"
            }
        }
    ]
}
```
Run this script to start the changeset. Helper functions are defined in *Utilities to start a changeset* from the **Utilities** section.  

```
# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: Apache-2.0
"""
Purpose
Shows how to use the AWS SDK for Python (Boto3) to create “draft” Private Offer
for any AMI or SAAS product type that can be reviewed internally
before publishing to buyers
CAPI-30
"""

import os

import utils.start_changeset as sc
import utils.stringify_details as sd

fname = "changeset.json"
change_set_file = os.path.join(os.path.dirname(__file__), fname)

change_set = sd.stringify_changeset(change_set_file)


def main():
    sc.usage_demo(change_set, "Private offer for AMI product")


if __name__ == "__main__":
    main()
```
+  For API details, see [StartChangeSet](https://docs.aws.amazon.com/goto/boto3/marketplace-catalog-2018-09-17/StartChangeSet) in *AWS SDK for Python (Boto3) API Reference*. 

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