# ThingTypeProperties
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The ThingTypeProperties contains information about the thing type including: a thing type description, and a list of searchable thing attribute names.

## Contents
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 ** mqtt5Configuration **   <a name="iot-Type-ThingTypeProperties-mqtt5Configuration"></a>
The configuration to add user-defined properties to enrich MQTT 5 messages.  
Type: [Mqtt5Configuration](API_Mqtt5Configuration.md) object  
Required: No

 ** searchableAttributes **   <a name="iot-Type-ThingTypeProperties-searchableAttributes"></a>
A list of searchable thing attribute names.  
Type: Array of strings  
Length Constraints: Maximum length of 128.  
Pattern: `[a-zA-Z0-9_.,@/:#-]+`   
Required: No

 ** thingTypeDescription **   <a name="iot-Type-ThingTypeProperties-thingTypeDescription"></a>
The description of the thing type.  
Type: String  
Length Constraints: Maximum length of 2028.  
Pattern: `[\p{Graph}\x20]*`   
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/iot-2015-05-28/ThingTypeProperties) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iot-2015-05-28/ThingTypeProperties) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iot-2015-05-28/ThingTypeProperties)