# NoData
<a name="API_NoData"></a>

Configures how the alert reacts when an evaluation produces no data. `treatAs` carries the resulting state; defaults to `NODATA` when omitted.

## Contents
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 ** treatAs **   <a name="cloudwatchomni-Type-NoData-treatAs"></a>
The state to report when an evaluation produces no data.  
Type: String  
Valid Values: `OK | WARNING | CRITICAL | NODATA`   
Required: Yes

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/cloudwatchomni-2025-01-01/NoData) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/cloudwatchomni-2025-01-01/NoData) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/cloudwatchomni-2025-01-01/NoData)