Há mais exemplos de AWS SDK disponíveis no repositório [AWS Doc SDK Examples](https://github.com/awsdocs/aws-doc-sdk-examples) GitHub .
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# Olá, Step Functions
Os exemplos de código a seguir mostram como começar a usar o Step Functions.
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#### [ .NET ]
**SDK para .NET**
Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no [AWS Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/dotnetv3/StepFunctions#code-examples).
```
namespace StepFunctionsActions;
using Amazon.StepFunctions;
using Amazon.StepFunctions.Model;
public class HelloStepFunctions
{
static async Task Main()
{
var stepFunctionsClient = new AmazonStepFunctionsClient();
Console.Clear();
Console.WriteLine("Welcome to AWS Step Functions");
Console.WriteLine("Let's list up to 10 of your state machines:");
var stateMachineListRequest = new ListStateMachinesRequest { MaxResults = 10 };
// Get information for up to 10 Step Functions state machines.
var response = await stepFunctionsClient.ListStateMachinesAsync(stateMachineListRequest);
if (response.StateMachines.Count > 0)
{
response.StateMachines.ForEach(stateMachine =>
{
Console.WriteLine($"State Machine Name: {stateMachine.Name}\tAmazon Resource Name (ARN): {stateMachine.StateMachineArn}");
});
}
else
{
Console.WriteLine("\tNo state machines were found.");
}
}
}
```
+ Para obter detalhes da API, consulte [ListStateMachines](https://docs.aws.amazon.com/goto/DotNetSDKV3/states-2016-11-23/ListStateMachines)a *Referência AWS SDK para .NET da API*.
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#### [ Java ]
**SDK para Java 2.x**
Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no [AWS Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/stepfunctions#code-examples).
Versão Java do Olá.
```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sfn.SfnClient;
import software.amazon.awssdk.services.sfn.model.ListStateMachinesResponse;
import software.amazon.awssdk.services.sfn.model.SfnException;
import software.amazon.awssdk.services.sfn.model.StateMachineListItem;
import java.util.List;
/**
* Before running this Java V2 code example, set up your development
* environment, including your credentials.
*
* For more information, see the following documentation topic:
*
* https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
*/
public class ListStateMachines {
public static void main(String[] args) {
Region region = Region.US_EAST_1;
SfnClient sfnClient = SfnClient.builder()
.region(region)
.build();
listMachines(sfnClient);
sfnClient.close();
}
public static void listMachines(SfnClient sfnClient) {
try {
ListStateMachinesResponse response = sfnClient.listStateMachines();
List machines = response.stateMachines();
for (StateMachineListItem machine : machines) {
System.out.println("The name of the state machine is: " + machine.name());
System.out.println("The ARN value is : " + machine.stateMachineArn());
}
} catch (SfnException e) {
System.err.println(e.awsErrorDetails().errorMessage());
System.exit(1);
}
}
}
```
+ Para obter detalhes da API, consulte [ListStateMachines](https://docs.aws.amazon.com/goto/SdkForJavaV2/states-2016-11-23/ListStateMachines)a *Referência AWS SDK for Java 2.x da API*.
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#### [ Kotlin ]
**SDK para Kotlin**
Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no [AWS Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/kotlin/services/stepfunctions#code-examples).
```
import aws.sdk.kotlin.services.sfn.SfnClient
import aws.sdk.kotlin.services.sfn.model.ListStateMachinesRequest
/**
Before running this Kotlin code example, set up your development environment,
including your credentials.
For more information, see the following documentation topic:
https://docs.aws.amazon.com/sdk-for-kotlin/latest/developer-guide/setup.html
*/
suspend fun main() {
println(DASHES)
println("Welcome to the AWS Step Functions Hello example.")
println("Lets list up to ten of your state machines:")
println(DASHES)
listMachines()
}
suspend fun listMachines() {
SfnClient.fromEnvironment { region = "us-east-1" }.use { sfnClient ->
val response = sfnClient.listStateMachines(ListStateMachinesRequest {})
response.stateMachines?.forEach { machine ->
println("The name of the state machine is ${machine.name}")
println("The ARN value is ${machine.stateMachineArn}")
}
}
}
```
+ Para obter detalhes da API, consulte a [ListStateMachines](https://sdk.amazonaws.com/kotlin/api/latest/index.html)referência da API *AWS SDK for Kotlin*.
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#### [ Python ]
**SDK para Python (Boto3)**
Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no [AWS Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/stepfunctions#code-examples).
```
import boto3
def hello_stepfunctions(stepfunctions_client):
"""
Use the AWS SDK for Python (Boto3) to create an AWS Step Functions client and list
the state machines in your account. This list might be empty if you haven't created
any state machines.
This example uses the default settings specified in your shared credentials
and config files.
:param stepfunctions_client: A Boto3 Step Functions Client object.
"""
print("Hello, Step Functions! Let's list up to 10 of your state machines:")
state_machines = stepfunctions_client.list_state_machines(maxResults=10)
for sm in state_machines["stateMachines"]:
print(f"\t{sm['name']}: {sm['stateMachineArn']}")
if __name__ == "__main__":
hello_stepfunctions(boto3.client("stepfunctions"))
```
+ Para obter detalhes da API, consulte a [ListStateMachines](https://docs.aws.amazon.com/goto/boto3/states-2016-11-23/ListStateMachines)Referência da API *AWS SDK for Python (Boto3*).
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