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

# Publish a CPPO and append a buyer EULA using an AWS SDK
<a name="marketplace-catalog_example_marketplace-catalog_PublishCppoEula_section"></a>

The following code examples show how to publish a CPPO and append a buyer EULA.

------
#### [ 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" : "CreateOfferUsingResaleAuthorization",
            "Entity": {
            "Type": "Offer@1.0"
            },
            "ChangeName": "CreateCPPOoffer",
            "DetailsDocument": {
                "ResaleAuthorizationId":"resaleauthz-1111111111111", 
                "Name": "Test Offer",
                "Description":"Test product"
            }
        },
        {
            "ChangeType": "UpdateLegalTerms",
            "Entity": {
                "Type": "Offer@1.0",
                "Identifier": "$CreateCPPOoffer.Entity.Identifier"
            },
            "DetailsDocument": {
                "Terms": [
        			{			
            			"Type": "LegalTerm",
            			"Documents": [
            				{
            					"Type": "CustomEula", 
            					"Url": "https://s3.amazonaws.com/sample-bucket/custom-eula.pdf"
            				}
            			]
        			}
    			]
        	}
        },
        {
            "ChangeType": "UpdateTargeting",
            "Entity": {
                "Type": "Offer@1.0",
                "Identifier": "$CreateCPPOoffer.Entity.Identifier"
            },
            "DetailsDocument": {
                "PositiveTargeting": {
                    "BuyerAccounts": ["222222222222"]
                    }
            }
        },
        {
            "ChangeType": "UpdateAvailability",
            "Entity": {
                "Type": "Offer@1.0",
                "Identifier": "$CreateCPPOoffer.Entity.Identifier"
            },
            "DetailsDocument": {
                "AvailabilityEndDate": "2023-07-31"
                }
        },
        {
            "ChangeType": "UpdateValidityTerms",
            "Entity": {
                "Type": "Offer@1.0",
                "Identifier": "$CreateCPPOoffer.Entity.Identifier"
            },
            "DetailsDocument": {
                "Terms": [
                    {
                        "Type": "ValidityTerm",
                        "AgreementDuration": "P450D"
                    }
                ]
             }
        },
        { 
            "ChangeType":"ReleaseOffer",
            "Entity":{
                "Type": "Offer@1.0",
                "Identifier": "$CreateCPPOoffer.Entity.Identifier"
            },
            "DetailsDocument": {}
        }
    ]
}
```
+  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*. 

------
#### [ 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" : "CreateOfferUsingResaleAuthorization",
            "Entity": {
            "Type": "Offer@1.0"
            },
            "ChangeName": "CreateCPPOoffer",
            "DetailsDocument": {
                "ResaleAuthorizationId":"resaleauthz-1111111111111", 
                "Name": "Test Offer",
                "Description":"Test product"
            }
        },
        {
            "ChangeType": "UpdateLegalTerms",
            "Entity": {
                "Type": "Offer@1.0",
                "Identifier": "$CreateCPPOoffer.Entity.Identifier"
            },
            "DetailsDocument": {
                "Terms": [
        			{			
            			"Type": "LegalTerm",
            			"Documents": [
            				{
            					"Type": "CustomEula", 
            					"Url": "https://s3.amazonaws.com/sample-bucket/custom-eula.pdf"
            				}
            			]
        			}
    			]
        	}
        },
        {
            "ChangeType": "UpdateTargeting",
            "Entity": {
                "Type": "Offer@1.0",
                "Identifier": "$CreateCPPOoffer.Entity.Identifier"
            },
            "DetailsDocument": {
                "PositiveTargeting": {
                    "BuyerAccounts": ["222222222222"]
                    }
            }
        },
        {
            "ChangeType": "UpdateAvailability",
            "Entity": {
                "Type": "Offer@1.0",
                "Identifier": "$CreateCPPOoffer.Entity.Identifier"
            },
            "DetailsDocument": {
                "AvailabilityEndDate": "2023-07-31"
                }
        },
        {
            "ChangeType": "UpdateValidityTerms",
            "Entity": {
                "Type": "Offer@1.0",
                "Identifier": "$CreateCPPOoffer.Entity.Identifier"
            },
            "DetailsDocument": {
                "Terms": [
                    {
                        "Type": "ValidityTerm",
                        "AgreementDuration": "P450D"
                    }
                ]
             }
        },
        { 
            "ChangeType":"ReleaseOffer",
            "Entity":{
                "Type": "Offer@1.0",
                "Identifier": "$CreateCPPOoffer.Entity.Identifier"
            },
            "DetailsDocument": {}
        }
    ]
}
```
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 publish CPPO
for any product type (AMI/SaaS/Container) and append buyer EULA
"""


import os

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


def main(change_set=None):
    if change_set is None:
        fname = "changeset.json"
        change_set_file = os.path.join(os.path.dirname(__file__), fname)
        stringified_change_set = sd.stringify_changeset(change_set_file)

    else:
        stringified_change_set = change_set

    response = sc.usage_demo(
        stringified_change_set,
        "Publish CPPO for any product type and append buyer EULA",
    )

    return response


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*. 

------