# DescribeChannelFlow
<a name="API_messaging-chime_DescribeChannelFlow"></a>

Returns the full details of a channel flow in an Amazon Chime `AppInstance`. This is a developer API.

## Request Syntax
<a name="API_messaging-chime_DescribeChannelFlow_RequestSyntax"></a>

```
GET /channel-flows/channelFlowArn HTTP/1.1
```

## URI Request Parameters
<a name="API_messaging-chime_DescribeChannelFlow_RequestParameters"></a>

The request uses the following URI parameters.

 ** [channelFlowArn](#API_messaging-chime_DescribeChannelFlow_RequestSyntax) **   <a name="chimesdk-messaging-chime_DescribeChannelFlow-request-uri-ChannelFlowArn"></a>
The ARN of the channel flow.  
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

## Request Body
<a name="API_messaging-chime_DescribeChannelFlow_RequestBody"></a>

The request does not have a request body.

## Response Syntax
<a name="API_messaging-chime_DescribeChannelFlow_ResponseSyntax"></a>

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

{
   "ChannelFlow": { 
      "ChannelFlowArn": "string",
      "CreatedTimestamp": number,
      "LastUpdatedTimestamp": number,
      "Name": "string",
      "Processors": [ 
         { 
            "Configuration": { 
               "Lambda": { 
                  "InvocationType": "string",
                  "ResourceArn": "string"
               }
            },
            "ExecutionOrder": number,
            "FallbackAction": "string",
            "Name": "string"
         }
      ]
   }
}
```

## Response Elements
<a name="API_messaging-chime_DescribeChannelFlow_ResponseElements"></a>

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

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

 ** [ChannelFlow](#API_messaging-chime_DescribeChannelFlow_ResponseSyntax) **   <a name="chimesdk-messaging-chime_DescribeChannelFlow-response-ChannelFlow"></a>
The channel flow details.  
Type: [ChannelFlow](API_messaging-chime_ChannelFlow.md) object

## Errors
<a name="API_messaging-chime_DescribeChannelFlow_Errors"></a>

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
<a name="API_messaging-chime_DescribeChannelFlow_SeeAlso"></a>

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/DescribeChannelFlow) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/chime-sdk-messaging-2021-05-15/DescribeChannelFlow) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/chime-sdk-messaging-2021-05-15/DescribeChannelFlow) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/chime-sdk-messaging-2021-05-15/DescribeChannelFlow) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/chime-sdk-messaging-2021-05-15/DescribeChannelFlow) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/chime-sdk-messaging-2021-05-15/DescribeChannelFlow) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/chime-sdk-messaging-2021-05-15/DescribeChannelFlow) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/chime-sdk-messaging-2021-05-15/DescribeChannelFlow) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/chime-sdk-messaging-2021-05-15/DescribeChannelFlow) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/chime-sdk-messaging-2021-05-15/DescribeChannelFlow)