# ThingTypeDefinition
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The definition of the thing type, including thing type name and description.

## Contents
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 ** thingTypeArn **   <a name="iot-Type-ThingTypeDefinition-thingTypeArn"></a>
The thing type ARN.  
Type: String  
Required: No

 ** thingTypeMetadata **   <a name="iot-Type-ThingTypeDefinition-thingTypeMetadata"></a>
The ThingTypeMetadata contains additional information about the thing type including: creation date and time, a value indicating whether the thing type is deprecated, and a date and time when it was deprecated.  
Type: [ThingTypeMetadata](API_ThingTypeMetadata.md) object  
Required: No

 ** thingTypeName **   <a name="iot-Type-ThingTypeDefinition-thingTypeName"></a>
The name of the thing type.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `[a-zA-Z0-9:_-]+`   
Required: No

 ** thingTypeProperties **   <a name="iot-Type-ThingTypeDefinition-thingTypeProperties"></a>
The ThingTypeProperties for the thing type.  
Type: [ThingTypeProperties](API_ThingTypeProperties.md) object  
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/ThingTypeDefinition) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iot-2015-05-28/ThingTypeDefinition) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iot-2015-05-28/ThingTypeDefinition)