# Secondary
<a name="API_Secondary"></a>

The secondary Region that processes events when failover is triggered or replication is enabled.

## Contents
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 ** Route **   <a name="eventbridge-Type-Secondary-Route"></a>
Defines the secondary Region.  
Type: String  
Length Constraints: Minimum length of 9. Maximum length of 20.  
Pattern: `^[\-a-z0-9]+$`   
Required: Yes

## See Also
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For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon SDK for C\+\+](https://docs.amazonaws.cn/goto/SdkForCpp/eventbridge-2015-10-07/Secondary) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/eventbridge-2015-10-07/Secondary) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/eventbridge-2015-10-07/Secondary)