# UpdateFunctionEventInvokeConfig<a name="API_UpdateFunctionEventInvokeConfig"></a>

Updates the configuration for asynchronous invocation for a function, version, or alias\.

To configure options for asynchronous invocation, use [PutFunctionEventInvokeConfig](API_PutFunctionEventInvokeConfig.md)\.

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

```
POST /2019-09-25/functions/FunctionName/event-invoke-config?Qualifier=Qualifier HTTP/1.1
Content-type: application/json

{
   "DestinationConfig": { 
      "OnFailure": { 
         "Destination": "string"
      },
      "OnSuccess": { 
         "Destination": "string"
      }
   },
   "MaximumEventAgeInSeconds": number,
   "MaximumRetryAttempts": number
}
```

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

The request uses the following URI parameters\.

 ** [FunctionName](#API_UpdateFunctionEventInvokeConfig_RequestSyntax) **   <a name="SSS-UpdateFunctionEventInvokeConfig-request-FunctionName"></a>
The name of the Lambda function, version, or alias\.  

**Name formats**
+  **Function name** \- `my-function` \(name\-only\), `my-function:v1` \(with alias\)\.
+  **Function ARN** \- `arn:aws:lambda:us-west-2:123456789012:function:my-function`\.
+  **Partial ARN** \- `123456789012:function:my-function`\.
You can append a version number or alias to any of the formats\. The length constraint applies only to the full ARN\. If you specify only the function name, it is limited to 64 characters in length\.  
Length Constraints: Minimum length of 1\. Maximum length of 140\.  
Pattern: `(arn:(aws[a-zA-Z-]*)?:lambda:)?([a-z]{2}(-gov)?-[a-z]+-\d{1}:)?(\d{12}:)?(function:)?([a-zA-Z0-9-_]+)(:(\$LATEST|[a-zA-Z0-9-_]+))?`   
Required: Yes

 ** [Qualifier](#API_UpdateFunctionEventInvokeConfig_RequestSyntax) **   <a name="SSS-UpdateFunctionEventInvokeConfig-request-Qualifier"></a>
A version number or alias name\.  
Length Constraints: Minimum length of 1\. Maximum length of 128\.  
Pattern: `(|[a-zA-Z0-9$_-]+)` 

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

The request accepts the following data in JSON format\.

 ** [DestinationConfig](#API_UpdateFunctionEventInvokeConfig_RequestSyntax) **   <a name="SSS-UpdateFunctionEventInvokeConfig-request-DestinationConfig"></a>
A destination for events after they have been sent to a function for processing\.  

**Destinations**
+  **Function** \- The Amazon Resource Name \(ARN\) of a Lambda function\.
+  **Queue** \- The ARN of an SQS queue\.
+  **Topic** \- The ARN of an SNS topic\.
+  **Event Bus** \- The ARN of an Amazon EventBridge event bus\.
Type: [DestinationConfig](API_DestinationConfig.md) object  
Required: No

 ** [MaximumEventAgeInSeconds](#API_UpdateFunctionEventInvokeConfig_RequestSyntax) **   <a name="SSS-UpdateFunctionEventInvokeConfig-request-MaximumEventAgeInSeconds"></a>
The maximum age of a request that Lambda sends to a function for processing\.  
Type: Integer  
Valid Range: Minimum value of 60\. Maximum value of 21600\.  
Required: No

 ** [MaximumRetryAttempts](#API_UpdateFunctionEventInvokeConfig_RequestSyntax) **   <a name="SSS-UpdateFunctionEventInvokeConfig-request-MaximumRetryAttempts"></a>
The maximum number of times to retry when the function returns an error\.  
Type: Integer  
Valid Range: Minimum value of 0\. Maximum value of 2\.  
Required: No

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

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

{
   "DestinationConfig": { 
      "OnFailure": { 
         "Destination": "string"
      },
      "OnSuccess": { 
         "Destination": "string"
      }
   },
   "FunctionArn": "string",
   "LastModified": number,
   "MaximumEventAgeInSeconds": number,
   "MaximumRetryAttempts": number
}
```

## Response Elements<a name="API_UpdateFunctionEventInvokeConfig_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\.

 ** [DestinationConfig](#API_UpdateFunctionEventInvokeConfig_ResponseSyntax) **   <a name="SSS-UpdateFunctionEventInvokeConfig-response-DestinationConfig"></a>
A destination for events after they have been sent to a function for processing\.  

**Destinations**
+  **Function** \- The Amazon Resource Name \(ARN\) of a Lambda function\.
+  **Queue** \- The ARN of an SQS queue\.
+  **Topic** \- The ARN of an SNS topic\.
+  **Event Bus** \- The ARN of an Amazon EventBridge event bus\.
Type: [DestinationConfig](API_DestinationConfig.md) object

 ** [FunctionArn](#API_UpdateFunctionEventInvokeConfig_ResponseSyntax) **   <a name="SSS-UpdateFunctionEventInvokeConfig-response-FunctionArn"></a>
The Amazon Resource Name \(ARN\) of the function\.  
Type: String  
Pattern: `arn:(aws[a-zA-Z-]*)?:lambda:[a-z]{2}(-gov)?-[a-z]+-\d{1}:\d{12}:function:[a-zA-Z0-9-_]+(:(\$LATEST|[a-zA-Z0-9-_]+))?` 

 ** [LastModified](#API_UpdateFunctionEventInvokeConfig_ResponseSyntax) **   <a name="SSS-UpdateFunctionEventInvokeConfig-response-LastModified"></a>
The date and time that the configuration was last updated, in Unix time seconds\.  
Type: Timestamp

 ** [MaximumEventAgeInSeconds](#API_UpdateFunctionEventInvokeConfig_ResponseSyntax) **   <a name="SSS-UpdateFunctionEventInvokeConfig-response-MaximumEventAgeInSeconds"></a>
The maximum age of a request that Lambda sends to a function for processing\.  
Type: Integer  
Valid Range: Minimum value of 60\. Maximum value of 21600\.

 ** [MaximumRetryAttempts](#API_UpdateFunctionEventInvokeConfig_ResponseSyntax) **   <a name="SSS-UpdateFunctionEventInvokeConfig-response-MaximumRetryAttempts"></a>
The maximum number of times to retry when the function returns an error\.  
Type: Integer  
Valid Range: Minimum value of 0\. Maximum value of 2\.

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

 **InvalidParameterValueException**   
One of the parameters in the request is invalid\.  
HTTP Status Code: 400

 **ResourceNotFoundException**   
The resource specified in the request does not exist\.  
HTTP Status Code: 404

 **ServiceException**   
The AWS Lambda service encountered an internal error\.  
HTTP Status Code: 500

 **TooManyRequestsException**   
The request throughput limit was exceeded\.  
HTTP Status Code: 429

## See Also<a name="API_UpdateFunctionEventInvokeConfig_SeeAlso"></a>

For more information about using this API in one of the language\-specific AWS SDKs, see the following:
+  [AWS Command Line Interface](https://docs.aws.amazon.com/goto/aws-cli/lambda-2015-03-31/UpdateFunctionEventInvokeConfig) 
+  [AWS SDK for \.NET](https://docs.aws.amazon.com/goto/DotNetSDKV3/lambda-2015-03-31/UpdateFunctionEventInvokeConfig) 
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/lambda-2015-03-31/UpdateFunctionEventInvokeConfig) 
+  [AWS SDK for Go](https://docs.aws.amazon.com/goto/SdkForGoV1/lambda-2015-03-31/UpdateFunctionEventInvokeConfig) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/lambda-2015-03-31/UpdateFunctionEventInvokeConfig) 
+  [AWS SDK for JavaScript](https://docs.aws.amazon.com/goto/AWSJavaScriptSDK/lambda-2015-03-31/UpdateFunctionEventInvokeConfig) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/lambda-2015-03-31/UpdateFunctionEventInvokeConfig) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/lambda-2015-03-31/UpdateFunctionEventInvokeConfig) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/lambda-2015-03-31/UpdateFunctionEventInvokeConfig) 