# ListChannelFlows


Returns a paginated lists of all the channel flows created under a single Chime. This is a developer API.

## Request Syntax


```
GET /channel-flows?app-instance-arn=AppInstanceArn&max-results=MaxResults&next-token=NextToken HTTP/1.1
```

## URI Request Parameters


The request uses the following URI parameters.

 ** [AppInstanceArn](#API_messaging-chime_ListChannelFlows_RequestSyntax) **   <a name="chimesdk-messaging-chime_ListChannelFlows-request-uri-AppInstanceArn"></a>
The ARN of the app instance.  
Length Constraints: Minimum length of 5. Maximum length of 1600.  
Pattern: `arn:[a-z0-9-\.]{1,63}:[a-z0-9-\.]{0,63}:[a-z0-9-\.]{0,63}:[a-z0-9-\.]{0,63}:[^/].{0,1023}`   
Required: Yes

 ** [MaxResults](#API_messaging-chime_ListChannelFlows_RequestSyntax) **   <a name="chimesdk-messaging-chime_ListChannelFlows-request-uri-MaxResults"></a>
The maximum number of channel flows that you want to return.  
Valid Range: Minimum value of 1. Maximum value of 50.

 ** [NextToken](#API_messaging-chime_ListChannelFlows_RequestSyntax) **   <a name="chimesdk-messaging-chime_ListChannelFlows-request-uri-NextToken"></a>
The token passed by previous API calls until all requested channel flows are returned.  
Length Constraints: Minimum length of 0. Maximum length of 2048.  
Pattern: `.*` 

## Request Body


The request does not have a request body.

## Response Syntax


```
HTTP/1.1 200
Content-type: application/json

{
   "ChannelFlows": [ 
      { 
         "ChannelFlowArn": "string",
         "Name": "string",
         "Processors": [ 
            { 
               "Configuration": { 
                  "Lambda": { 
                     "InvocationType": "string",
                     "ResourceArn": "string"
                  }
               },
               "ExecutionOrder": number,
               "FallbackAction": "string",
               "Name": "string"
            }
         ]
      }
   ],
   "NextToken": "string"
}
```

## Response Elements


If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

 ** [ChannelFlows](#API_messaging-chime_ListChannelFlows_ResponseSyntax) **   <a name="chimesdk-messaging-chime_ListChannelFlows-response-ChannelFlows"></a>
The information about each channel flow.  
Type: Array of [ChannelFlowSummary](API_messaging-chime_ChannelFlowSummary.md) objects

 ** [NextToken](#API_messaging-chime_ListChannelFlows_ResponseSyntax) **   <a name="chimesdk-messaging-chime_ListChannelFlows-response-NextToken"></a>
The token passed by previous API calls until all requested channels are returned.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 2048.  
Pattern: `.*` 

## Errors


For information about the errors that are common to all actions, see [Common Errors](CommonErrors.md).

 ** BadRequestException **   
The input parameters don't match the service's restrictions.  
HTTP Status Code: 400

 ** ForbiddenException **   
The client is permanently forbidden from making the request.  
HTTP Status Code: 403

 ** ServiceFailureException **   
The service encountered an unexpected error.  
HTTP Status Code: 500

 ** ServiceUnavailableException **   
The service is currently unavailable.  
HTTP Status Code: 503

 ** ThrottledClientException **   
The client exceeded its request rate limit.  
HTTP Status Code: 429

 ** UnauthorizedClientException **   
The client is not currently authorized to make the request.  
HTTP Status Code: 401

## See Also


For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/chime-sdk-messaging-2021-05-15/ListChannelFlows) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/chime-sdk-messaging-2021-05-15/ListChannelFlows) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/chime-sdk-messaging-2021-05-15/ListChannelFlows) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/chime-sdk-messaging-2021-05-15/ListChannelFlows) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/chime-sdk-messaging-2021-05-15/ListChannelFlows) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/chime-sdk-messaging-2021-05-15/ListChannelFlows) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/chime-sdk-messaging-2021-05-15/ListChannelFlows) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/chime-sdk-messaging-2021-05-15/ListChannelFlows) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/chime-sdk-messaging-2021-05-15/ListChannelFlows) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/chime-sdk-messaging-2021-05-15/ListChannelFlows)