There are more AWS SDK examples available in the AWS Doc SDK Examples
Use ListStateMachines with an AWS SDK
The following code examples show how to use ListStateMachines.
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:
- .NET
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- SDK for .NET
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Note
There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository
. /// <summary> /// Retrieve a list of Step Functions state machines. /// </summary> /// <returns>A list of StateMachineListItem objects.</returns> public async Task<List<StateMachineListItem>> ListStateMachinesAsync() { var stateMachines = new List<StateMachineListItem>(); var listStateMachinesPaginator = _amazonStepFunctions.Paginators.ListStateMachines(new ListStateMachinesRequest()); await foreach (var response in listStateMachinesPaginator.Responses) { stateMachines.AddRange(response.StateMachines); } return stateMachines; }-
For API details, see ListStateMachines in AWS SDK for .NET API Reference.
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- Java
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- SDK for Java 2.x
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Note
There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository
. 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<StateMachineListItem> 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); } } }-
For API details, see ListStateMachines in AWS SDK for Java 2.x API Reference.
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- Kotlin
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- SDK for Kotlin
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Note
There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository
. 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}") } } }-
For API details, see ListStateMachines
in AWS SDK for Kotlin API reference.
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- Python
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- SDK for Python (Boto3)
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Note
There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository
. Find a state machine by name by searching the list of state machines for the account.
class StateMachine: """Encapsulates Step Functions state machine actions.""" def __init__(self, stepfunctions_client): """ :param stepfunctions_client: A Boto3 Step Functions client. """ self.stepfunctions_client = stepfunctions_client def find(self, name): """ Find a state machine by name. This requires listing the state machines until one is found with a matching name. :param name: The name of the state machine to search for. :return: The ARN of the state machine if found; otherwise, None. """ try: paginator = self.stepfunctions_client.get_paginator("list_state_machines") for page in paginator.paginate(): for state_machine in page.get("stateMachines", []): if state_machine["name"] == name: return state_machine["stateMachineArn"] except ClientError as err: logger.error( "Couldn't list state machines. Here's why: %s: %s", err.response["Error"]["Code"], err.response["Error"]["Message"], ) raise-
For API details, see ListStateMachines in AWS SDK for Python (Boto3) API Reference.
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