# UpdateContactFlowAlias
<a name="API_UpdateContactFlowAlias"></a>

Updates the name, description, or flow version associated with an alias.

## Request Syntax
<a name="API_UpdateContactFlowAlias_RequestSyntax"></a>

```
POST /contact-flows/{{InstanceId}}/{{ContactFlowId}}/alias/{{AliasId}} HTTP/1.1
Content-type: application/json

{
   "ContactFlowVersion": {{number}},
   "Description": "{{string}}",
   "Name": "{{string}}"
}
```

## URI Request Parameters
<a name="API_UpdateContactFlowAlias_RequestParameters"></a>

The request uses the following URI parameters.

 ** [AliasId](#API_UpdateContactFlowAlias_RequestSyntax) **   <a name="connect-UpdateContactFlowAlias-request-uri-AliasId"></a>
The identifier of the alias.  
Length Constraints: Minimum length of 1. Maximum length of 500.  
Required: Yes

 ** [ContactFlowId](#API_UpdateContactFlowAlias_RequestSyntax) **   <a name="connect-UpdateContactFlowAlias-request-uri-ContactFlowId"></a>
The identifier of the flow.  
Required: Yes

 ** [InstanceId](#API_UpdateContactFlowAlias_RequestSyntax) **   <a name="connect-UpdateContactFlowAlias-request-uri-InstanceId"></a>
The identifier of the Connect Customer instance. You can [find the instance ID](https://docs.aws.amazon.com/connect/latest/adminguide/find-instance-arn.html) in the Amazon Resource Name (ARN) of the instance.  
Length Constraints: Minimum length of 1. Maximum length of 250.  
Pattern: `^(arn:(aws|aws-us-gov):connect:[a-z]{2}-[a-z]+-[0-9]{1}:[0-9]{1,20}:instance/)?[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$`   
Required: Yes

## Request Body
<a name="API_UpdateContactFlowAlias_RequestBody"></a>

The request accepts the following data in JSON format.

 ** [ContactFlowVersion](#API_UpdateContactFlowAlias_RequestSyntax) **   <a name="connect-UpdateContactFlowAlias-request-ContactFlowVersion"></a>
The version of the flow.  
Type: Long  
Valid Range: Minimum value of 1.  
Required: No

 ** [Description](#API_UpdateContactFlowAlias_RequestSyntax) **   <a name="connect-UpdateContactFlowAlias-request-Description"></a>
The description of the alias.  
Type: String  
Required: No

 ** [Name](#API_UpdateContactFlowAlias_RequestSyntax) **   <a name="connect-UpdateContactFlowAlias-request-Name"></a>
The name of the alias.  
Type: String  
Length Constraints: Minimum length of 1.  
Required: No

## Response Syntax
<a name="API_UpdateContactFlowAlias_ResponseSyntax"></a>

```
HTTP/1.1 200
```

## Response Elements
<a name="API_UpdateContactFlowAlias_ResponseElements"></a>

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

## Errors
<a name="API_UpdateContactFlowAlias_Errors"></a>

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

 ** AccessDeniedException **   
You do not have sufficient permissions to perform this action.  
HTTP Status Code: 403

 ** ConditionalOperationFailedException **   
Request processing failed because dependent condition failed.  
HTTP Status Code: 409

 ** DuplicateResourceException **   
A resource with the specified name already exists.  
HTTP Status Code: 409

 ** InternalServiceException **   
Request processing failed because of an error or failure with the service.    
 ** Message **   
The message.
HTTP Status Code: 500

 ** InvalidParameterException **   
One or more of the specified parameters are not valid.    
 ** Message **   
The message about the parameters.
HTTP Status Code: 400

 ** InvalidRequestException **   
The request is not valid.    
 ** Message **   
The message about the request.  
 ** Reason **   
Reason why the request was invalid.
HTTP Status Code: 400

 ** ResourceNotFoundException **   
The specified resource was not found.    
 ** Message **   
The message about the resource.
HTTP Status Code: 404

 ** ThrottlingException **   
The throttling limit has been exceeded.  
HTTP Status Code: 429

## Examples
<a name="API_UpdateContactFlowAlias_Examples"></a>

### Sample Request
<a name="API_UpdateContactFlowAlias_Example_1"></a>

This example illustrates one usage of UpdateContactFlowAlias.

```
{
  "Name": "production-v2",
  "Description": "Updated production version",
  "ContactFlowVersion": 3
}
```

### Sample Response
<a name="API_UpdateContactFlowAlias_Example_2"></a>

This example illustrates one usage of UpdateContactFlowAlias.

```
HTTP/1.1 200 OK
```

## See Also
<a name="API_UpdateContactFlowAlias_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/connect-2017-08-08/UpdateContactFlowAlias) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/connect-2017-08-08/UpdateContactFlowAlias) 
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/connect-2017-08-08/UpdateContactFlowAlias) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/connect-2017-08-08/UpdateContactFlowAlias) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/connect-2017-08-08/UpdateContactFlowAlias) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/connect-2017-08-08/UpdateContactFlowAlias) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/connect-2017-08-08/UpdateContactFlowAlias) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/connect-2017-08-08/UpdateContactFlowAlias) 
+  [AWS SDK for Python (Boto3)](https://docs.aws.amazon.com/goto/boto3/connect-2017-08-08/UpdateContactFlowAlias) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/connect-2017-08-08/UpdateContactFlowAlias)