# Behavior
<a name="API_Behavior"></a>

A Device Defender security profile behavior.

## Contents
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 ** name **   <a name="iot-Type-Behavior-name"></a>
The name you've given to the behavior.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `[a-zA-Z0-9:_-]+`   
Required: Yes

 ** criteria **   <a name="iot-Type-Behavior-criteria"></a>
The criteria that determine if a device is behaving normally in regard to the `metric`.  
In the Amazon IoT console, you can choose to be sent an alert through Amazon SNS when Amazon IoT Device Defender detects that a device is behaving anomalously.
Type: [BehaviorCriteria](API_BehaviorCriteria.md) object  
Required: No

 ** exportMetric **   <a name="iot-Type-Behavior-exportMetric"></a>
Value indicates exporting metrics related to the behavior when it is true.  
Type: Boolean  
Required: No

 ** metric **   <a name="iot-Type-Behavior-metric"></a>
What is measured by the behavior.  
Type: String  
Required: No

 ** metricDimension **   <a name="iot-Type-Behavior-metricDimension"></a>
The dimension for a metric in your behavior. For example, using a `TOPIC_FILTER` dimension, you can narrow down the scope of the metric to only MQTT topics where the name matches the pattern specified in the dimension. This can't be used with custom metrics.  
Type: [MetricDimension](API_MetricDimension.md) object  
Required: No

 ** suppressAlerts **   <a name="iot-Type-Behavior-suppressAlerts"></a>
 Suppresses alerts.   
Type: Boolean  
Required: No

## 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/iot-2015-05-28/Behavior) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/iot-2015-05-28/Behavior) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/iot-2015-05-28/Behavior)