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

# Use `SetSubscriptionAttributesRedrivePolicy` with an AWS SDK
<a name="sns_example_sns_SetSubscriptionAttributesRedrivePolicy_section"></a>

The following code example shows how to use `SetSubscriptionAttributesRedrivePolicy`.

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#### [ Java ]

**SDK for Java 1.x**  
 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/java/example_code/sns#code-examples). 

```
// Specify the ARN of the Amazon SNS subscription.
String subscriptionArn =
    "arn:aws:sns:us-east-2:123456789012:MyEndpoint:1234a567-bc89-012d-3e45-6fg7h890123i";

// Specify the ARN of the Amazon SQS queue to use as a dead-letter queue.
String redrivePolicy =
    "{\"deadLetterTargetArn\":\"arn:aws:sqs:us-east-2:123456789012:MyDeadLetterQueue\"}";

// Set the specified Amazon SQS queue as a dead-letter queue
// of the specified Amazon SNS subscription by setting the RedrivePolicy attribute.
SetSubscriptionAttributesRequest request = new SetSubscriptionAttributesRequest()
    .withSubscriptionArn(subscriptionArn)
    .withAttributeName("RedrivePolicy")
    .withAttributeValue(redrivePolicy);
sns.setSubscriptionAttributes(request);
```

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## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for AWS SDK Code Examples. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query code-library` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).