This is the new *Amazon CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [Amazon CloudFormation User Guide](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::HealthLake::FHIRDatastore PreloadDataConfig
<a name="aws-properties-healthlake-fhirdatastore-preloaddataconfig"></a>

An optional parameter to preload (import) open source Synthea FHIR data upon creation of the data store.

## Syntax
<a name="aws-properties-healthlake-fhirdatastore-preloaddataconfig-syntax"></a>

To declare this entity in your Amazon CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-healthlake-fhirdatastore-preloaddataconfig-syntax.json"></a>

```
{
  "[PreloadDataType](#cfn-healthlake-fhirdatastore-preloaddataconfig-preloaddatatype)" : String
}
```

### YAML
<a name="aws-properties-healthlake-fhirdatastore-preloaddataconfig-syntax.yaml"></a>

```
  [PreloadDataType](#cfn-healthlake-fhirdatastore-preloaddataconfig-preloaddatatype): String
```

## Properties
<a name="aws-properties-healthlake-fhirdatastore-preloaddataconfig-properties"></a>

`PreloadDataType`  <a name="cfn-healthlake-fhirdatastore-preloaddataconfig-preloaddatatype"></a>
The type of preloaded data. Only Synthea preloaded data is supported.  
*Required*: Yes  
*Type*: String  
*Allowed values*: `SYNTHEA`  
*Update requires*: [Replacement](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)