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# AWS::DataBrew::Recipe SecondaryInput
<a name="aws-properties-databrew-recipe-secondaryinput"></a>

Represents secondary inputs in a UNION transform.

## Syntax
<a name="aws-properties-databrew-recipe-secondaryinput-syntax"></a>

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

### JSON
<a name="aws-properties-databrew-recipe-secondaryinput-syntax.json"></a>

```
{
  "[DataCatalogInputDefinition](#cfn-databrew-recipe-secondaryinput-datacataloginputdefinition)" : DataCatalogInputDefinition,
  "[S3InputDefinition](#cfn-databrew-recipe-secondaryinput-s3inputdefinition)" : S3Location
}
```

### YAML
<a name="aws-properties-databrew-recipe-secondaryinput-syntax.yaml"></a>

```
  [DataCatalogInputDefinition](#cfn-databrew-recipe-secondaryinput-datacataloginputdefinition): 
    DataCatalogInputDefinition
  [S3InputDefinition](#cfn-databrew-recipe-secondaryinput-s3inputdefinition): 
    S3Location
```

## Properties
<a name="aws-properties-databrew-recipe-secondaryinput-properties"></a>

`DataCatalogInputDefinition`  <a name="cfn-databrew-recipe-secondaryinput-datacataloginputdefinition"></a>
The Amazon Glue Data Catalog parameters for the data.  
*Required*: No  
*Type*: [DataCatalogInputDefinition](aws-properties-databrew-recipe-datacataloginputdefinition.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`S3InputDefinition`  <a name="cfn-databrew-recipe-secondaryinput-s3inputdefinition"></a>
The Amazon S3 location where the data is stored.  
*Required*: No  
*Type*: [S3Location](aws-properties-databrew-recipe-s3location.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)