# ActivateEventSource


Activates a partner event source that has been deactivated. Once activated, your matching event bus will start receiving events from the event source.

## Request Syntax


```
{
   "Name": "string"
}
```

## Request Parameters


For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

The request accepts the following data in JSON format.

 ** [Name](#API_ActivateEventSource_RequestSyntax) **   <a name="eventbridge-ActivateEventSource-request-Name"></a>
The name of the partner event source to activate.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 256.  
Pattern: `aws\.partner(/[\.\-_A-Za-z0-9]+){2,}`   
Required: Yes

## Response Elements


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

## Errors


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

 ** ConcurrentModificationException **   
There is concurrent modification on a rule, target, archive, or replay.  
HTTP Status Code: 400

 ** InternalException **   
This exception occurs due to unexpected causes.  
HTTP Status Code: 500

 ** InvalidStateException **   
The specified state is not a valid state for an event source.  
HTTP Status Code: 400

 ** OperationDisabledException **   
The operation you are attempting is not available in this region.  
HTTP Status Code: 400

 ** ResourceNotFoundException **   
An entity that you specified does not exist.  
HTTP Status Code: 400

## 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/eventbridge-2015-10-07/ActivateEventSource) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/eventbridge-2015-10-07/ActivateEventSource) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/eventbridge-2015-10-07/ActivateEventSource) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/eventbridge-2015-10-07/ActivateEventSource) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/eventbridge-2015-10-07/ActivateEventSource) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/eventbridge-2015-10-07/ActivateEventSource) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/eventbridge-2015-10-07/ActivateEventSource) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/eventbridge-2015-10-07/ActivateEventSource) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/eventbridge-2015-10-07/ActivateEventSource) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/eventbridge-2015-10-07/ActivateEventSource)