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

# Use the Amazon Neptune API to develop a Lambda function that queries graph data
<a name="lambda_example_cross_Neptune_Query_section"></a>

The following code example shows how to use the Neptune API to query graph data.

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#### [ Java ]

**SDK for Java 2.x**  
 Shows how to use Amazon Neptune Java API to create a Lambda function that queries graph data within the VPC.   
 For complete source code and instructions on how to set up and run, see the full example on [GitHub](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/usecases/creating_neptune_lambda).   

**Services used in this example**
+ Lambda
+ Neptune

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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).