# DeviceUnderTest
<a name="API_iotdeviceadvisor_DeviceUnderTest"></a>

Information of a test device. A thing ARN, certificate ARN or device role ARN is required.

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

 ** certificateArn **   <a name="iot-Type-iotdeviceadvisor_DeviceUnderTest-certificateArn"></a>
Lists device's certificate ARN.  
Type: String  
Length Constraints: Minimum length of 20. Maximum length of 2048.  
Required: No

 ** deviceRoleArn **   <a name="iot-Type-iotdeviceadvisor_DeviceUnderTest-deviceRoleArn"></a>
Lists device's role ARN.  
Type: String  
Length Constraints: Minimum length of 20. Maximum length of 2048.  
Required: No

 ** thingArn **   <a name="iot-Type-iotdeviceadvisor_DeviceUnderTest-thingArn"></a>
Lists device's thing ARN.  
Type: String  
Length Constraints: Minimum length of 20. Maximum length of 2048.  
Required: No

## See Also
<a name="API_iotdeviceadvisor_DeviceUnderTest_SeeAlso"></a>

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/iotdeviceadvisor-2020-09-18/DeviceUnderTest) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iotdeviceadvisor-2020-09-18/DeviceUnderTest) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iotdeviceadvisor-2020-09-18/DeviceUnderTest)