# MetricCharacteristics
<a name="API_MetricCharacteristics"></a>

This object includes parameters that you can use to provide information to CloudWatch to help it build more accurate anomaly detection models.

## Contents
<a name="API_MetricCharacteristics_Contents"></a>

 ** PeriodicSpikes **   <a name="ACW-Type-MetricCharacteristics-PeriodicSpikes"></a>
Set this parameter to `true` if values for this metric consistently include spikes that should not be considered to be anomalies. With this set to `true`, CloudWatch will expect to see spikes that occurred consistently during the model training period, and won't flag future similar spikes as anomalies.  
Type: Boolean  
Required: No

## 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\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/monitoring-2010-08-01/MetricCharacteristics) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/monitoring-2010-08-01/MetricCharacteristics) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/monitoring-2010-08-01/MetricCharacteristics)