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

# Use `CreateKey` with an AWS SDK
<a name="location_example_location_CreateKey_section"></a>

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

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](location_example_location_Scenario_section.md) 

------
#### [ 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/location#code-examples). 

```
    /**
     * Creates a new API key with the specified name and restrictions.
     *
     * @param keyName the name of the API key to be created
     * @param mapArn  the Amazon Resource Name (ARN) of the map resource to which the API key will be associated
     * @return a {@link CompletableFuture} that completes with the Amazon Resource Name (ARN) of the created API key,
     * or {@code null} if the operation failed
     */
    public CompletableFuture<String> createKey(String keyName, String mapArn) {
        ApiKeyRestrictions keyRestrictions = ApiKeyRestrictions.builder()
            .allowActions("geo:GetMap*")
            .allowResources(mapArn)
            .build();

        CreateKeyRequest request = CreateKeyRequest.builder()
            .keyName(keyName)
            .restrictions(keyRestrictions)
            .noExpiry(true)
            .build();

        return getClient().createKey(request)
            .whenComplete((response, exception) -> {
                if (exception != null) {
                    Throwable cause = exception.getCause();
                    if (cause instanceof AccessDeniedException) {
                        throw new CompletionException("The request was denied because of insufficient access or permissions.", cause);
                    }
                    throw new CompletionException("Failed to create API key: " + exception.getMessage(), exception);
                }
            })
            .thenApply(response -> response.keyArn()); // This will never return null if the response reaches here
    }
```
+  For API details, see [CreateKey](https://docs.aws.amazon.com/goto/SdkForJavaV2/location-2020-11-19/CreateKey) in *AWS SDK for Java 2.x API Reference*. 

------
#### [ 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/location#code-examples). 

```
/**
 * Creates a new API key with the specified name and restrictions.
 *
 * @param keyName the name of the API key to be created
 * @param mapArn  the Amazon Resource Name (ARN) of the map resource to which the API key will be associated
 * @return the Amazon Resource Name (ARN) of the created API key
 */
suspend fun createKey(keyName: String, mapArn: String): String {
    val keyRestrictions = ApiKeyRestrictions {
        allowActions = listOf("geo:GetMap*")
        allowResources = listOf(mapArn)
    }

    val request = CreateKeyRequest {
        this.keyName = keyName
        this.restrictions = keyRestrictions
        noExpiry = true
    }

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

------