# RecurrenceRule


The recurrence rule for the SLO time window exclusion .

## Contents


 ** Expression **   <a name="applicationsignals-Type-RecurrenceRule-Expression"></a>
A cron or rate expression that specifies the schedule for the exclusion window.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 1024.  
Required: Yes

## See Also


For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/application-signals-2024-04-15/RecurrenceRule) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/application-signals-2024-04-15/RecurrenceRule) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/application-signals-2024-04-15/RecurrenceRule)