# HITLayoutParameter
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## Description
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The `HITLayoutParameter` data structure defines parameter values used with a HITLayout. A HITLayout is a reusable Amazon Mechanical Turk project template used to provide Human Intelligence Task (HIT) question data for `CreateHIT`. For more information, see [HITLayout](ApiReference_HITLayoutArticle.md).

The `HITLayoutParameter` data structure is used in the results of the following operation: 
+  [CreateHIT](ApiReference_CreateHITOperation.md) 

**Tip**  
The [HITLayout](ApiReference_HITLayoutArticle.md) is used to create an HTMLQuestion document. HITLayoutParameter values with reserved characters or invalid HTML markup may result in an invalid HTMLQuestion document. 

## Elements
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The `HITLayout` data structure has a root element of `HITLayoutParameter`. 

The `HITLayoutParameter` element contains the following elements: 


| Name | Description | Required | 
| --- | --- | --- | 
|  `Name`  | The name of the parameter in the HITLayout.<br />Type: String<br />Default: None<br />Constraints: Parameter names supplied in a HITLayoutParameter structure must be used in the referenced HITLayout. | Yes | 
|  `Value`  | The value substituted for the parameter referenced in the HITLayout. <br />Type: String<br />Default: None | Yes |