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

# Use `listSignalCatalogNodes` with an AWS SDK
<a name="iotfleetwise_example_iotfleetwise_ListSignalCatalogNodes_section"></a>

The following code examples show how to use `listSignalCatalogNodes`.

Action examples are code excerpts from larger programs and must be run in context. You can see this action in context in the following code example: 
+  [Learn the basics](iotfleetwise_example_iotfleetwise_Scenario_section.md) 

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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 Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/iotfleetwise#code-examples). 

```
    /**
     * Asynchronously retrieves a list of all nodes in the specified signal catalog.
     *
     * @param signalCatalogName the name of the signal catalog to retrieve nodes for
     * @return a {@link CompletableFuture} that, when completed, contains a {@link List} of {@link Node} objects
     * representing all the nodes in the specified signal catalog
     */
    public CompletableFuture<List<Node>> listSignalCatalogNodeAsync(String signalCatalogName) {
        ListSignalCatalogNodesRequest request = ListSignalCatalogNodesRequest.builder()
                .name(signalCatalogName)
                .build();

        List<Node> allNodes = new ArrayList<>();

        return getAsyncClient().listSignalCatalogNodesPaginator(request)
                .subscribe(response -> allNodes.addAll(response.nodes()))
                .thenApply(v -> allNodes);
    }
```
+  For API details, see [listSignalCatalogNodes](https://docs.aws.amazon.com/goto/SdkForJavaV2/iotfleetwise-2021-06-17/listSignalCatalogNodes) in *AWS SDK for Java 2.x API Reference*. 

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#### [ Kotlin ]

**SDK for Kotlin**  
 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/kotlin/services/iotfleetwise#code-examples). 

```
/**
 * Lists the signal catalog nodes asynchronously.
 *
 * @param signalCatalogName the name of the signal catalog
 * @return a CompletableFuture that, when completed, contains a list of nodes in the specified signal catalog
 * @throws CompletionException if an exception occurs during the asynchronous operation
 */
suspend fun listSignalCatalogNode(signalCatalogName: String): List<Node>? {
    val request = ListSignalCatalogNodesRequest {
        name = signalCatalogName
    }

    IotFleetWiseClient.fromEnvironment { region = "us-east-1" }.use { fleetwiseClient ->
        val response = fleetwiseClient.listSignalCatalogNodes(request)
        return response.nodes
    }
}
```
+  For API details, see [listSignalCatalogNodes](https://sdk.amazonaws.com/kotlin/api/latest/index.html) in *AWS SDK for Kotlin API reference*. 

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