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

# Update associated entity of an opportunity
<a name="partnercentral-selling_example_partnercentral-selling__UpdateAssociatedEntity_section"></a>

The following code examples show how to:
+ Disassociate an old entity.
+ Associate a new entity.

------
#### [ 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 [Scenarios](https://github.com/aws-samples/partner-crm-integration-samples/tree/main/partner-central-api-sample-codes/java_preview) repository. 
Update associated entity of an opportunity  

```
package org.example;

import static org.example.utils.Constants.*;

import org.example.utils.Constants;
import org.example.utils.ReferenceCodesUtils;

import software.amazon.awssdk.auth.credentials.DefaultCredentialsProvider;
import software.amazon.awssdk.http.apache.ApacheHttpClient;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.partnercentralselling.PartnerCentralSellingClient;
import software.amazon.awssdk.services.partnercentralselling.model.AssociateOpportunityRequest;
import software.amazon.awssdk.services.partnercentralselling.model.AssociateOpportunityResponse;
import software.amazon.awssdk.services.partnercentralselling.model.DisassociateOpportunityRequest;
import software.amazon.awssdk.services.partnercentralselling.model.DisassociateOpportunityResponse;

/*
Purpose
PC-API -17 Replacing a solution
*/

public class ReplaceSolution {

	static PartnerCentralSellingClient client = PartnerCentralSellingClient.builder()
            .region(Region.US_EAST_1)
            .credentialsProvider(DefaultCredentialsProvider.create())
            .httpClient(ApacheHttpClient.builder().build())
            .build();
	
    public static void main(String[] args) {
    	
    	String opportunityId = args.length > 0 ? args[0] : OPPORTUNITY_ID;
    	
    	String entityType = "Solutions";
    	String originalEntityIdentifier = "S-0000000";
    	String newEntityIdentifier = "S-0011111";
    	
    	disassociateOppornitityResponse(opportunityId, entityType, originalEntityIdentifier );
    	AssociateOpportunityResponse associateOpportunityResponse = associateOpportunityResponse(opportunityId, entityType, newEntityIdentifier );
    	
    	ReferenceCodesUtils.formatOutput(associateOpportunityResponse);
    }

	private static AssociateOpportunityResponse associateOpportunityResponse(String opportunityId, String entityType, String entityIdentifier) {
		
        AssociateOpportunityRequest associateOpportunityRequest = AssociateOpportunityRequest.builder()
				.catalog(Constants.CATALOG_TO_USE)
        		.opportunityIdentifier(opportunityId)
        		.relatedEntityType(entityType)
        		.relatedEntityIdentifier(entityIdentifier)
        		.build();
        
        AssociateOpportunityResponse response = client.associateOpportunity(associateOpportunityRequest);
        
        return response;
	}
	
	private static DisassociateOpportunityResponse disassociateOppornitityResponse(String opportunityId, String entityType, String entityIdentifier) {
		PartnerCentralSellingClient client = PartnerCentralSellingClient.builder()
            .region(Region.US_EAST_1)
            .credentialsProvider(DefaultCredentialsProvider.create())
            .httpClient(ApacheHttpClient.builder().build())
            .build();

        DisassociateOpportunityRequest disassociateOpportunityRequest = DisassociateOpportunityRequest.builder()
				.catalog(Constants.CATALOG_TO_USE)
        		.opportunityIdentifier(opportunityId)
        		.relatedEntityType(entityType)
        		.relatedEntityIdentifier(entityIdentifier)
        		.build();
        
        DisassociateOpportunityResponse response = client.disassociateOpportunity(disassociateOpportunityRequest);
        
        return response;
	}
}
```
+ For API details, see the following topics in *AWS SDK for Java 2.x API Reference*.
  + [AssociateOpportunity](https://docs.aws.amazon.com/goto/SdkForJavaV2/partnercentral-selling-2022-07-26/AssociateOpportunity)
  + [DisassociateOpportunity](https://docs.aws.amazon.com/goto/SdkForJavaV2/partnercentral-selling-2022-07-26/DisassociateOpportunity)

------
#### [ 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 Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/partner-central-api-sample-codes/python_preview/#code-examples). 
Update Associated Entity of an opportunity  

```
#!/usr/bin/env python

"""
Purpose
PC-API -17 Replacing a solution
"""
import logging
import boto3
import utils.helpers as helper
from botocore.client import ClientError

from utils.constants import CATALOG_TO_USE

serviceName = "partnercentral-selling"

partner_central_client = boto3.client(
        service_name=serviceName,
        region_name='us-east-1'
)

def replace_solution(original_entity_identifier, new_entity_identifier, opportunityIdentifier):
    disassociate_opportunity_request ={
        "Catalog": CATALOG_TO_USE,
	    "OpportunityIdentifier" : opportunityIdentifier, 
        "RelatedEntityType" : "Solutions", 
        "RelatedEntityIdentifier" : original_entity_identifier 
    }

    associate_opportunity_request ={
        "Catalog": CATALOG_TO_USE,
	    "OpportunityIdentifier" : opportunityIdentifier, 
        "RelatedEntityType" : "Solutions", 
        "RelatedEntityIdentifier" : new_entity_identifier 
    }
    try:
        # Perform an API call
        response = partner_central_client.disassociate_opportunity(**disassociate_opportunity_request)
        response = partner_central_client.associate_opportunity(**associate_opportunity_request)
        return response

    except ClientError as err:
        # Catch all client exceptions
        print(err.response)

def usage_demo():
    original_entity_identifier = "S-0049999"
    new_entity_identifier = "S-0050014"
    opportunityIdentifier = "O4397574"

    logging.basicConfig(level=logging.INFO, format="%(levelname)s: %(message)s")

    print("-" * 88)
    print("Replacing a solution.")
    print("-" * 88)

    helper.pretty_print_datetime(replace_solution(original_entity_identifier, new_entity_identifier, opportunityIdentifier))

if __name__ == "__main__":
    usage_demo()
```
+ For API details, see the following topics in *AWS SDK for Python (Boto3) API Reference*.
  + [AssociateOpportunity](https://docs.aws.amazon.com/goto/boto3/partnercentral-selling-2022-07-26/AssociateOpportunity)
  + [DisassociateOpportunity](https://docs.aws.amazon.com/goto/boto3/partnercentral-selling-2022-07-26/DisassociateOpportunity)

------