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# AWS::KinesisAnalytics::ApplicationReferenceDataSource ReferenceSchema
<a name="aws-properties-kinesisanalytics-applicationreferencedatasource-referenceschema"></a>

The ReferenceSchema property type specifies the format of the data in the reference source for a SQL-based Amazon Kinesis Data Analytics application. 

## Syntax
<a name="aws-properties-kinesisanalytics-applicationreferencedatasource-referenceschema-syntax"></a>

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

### JSON
<a name="aws-properties-kinesisanalytics-applicationreferencedatasource-referenceschema-syntax.json"></a>

```
{
  "[RecordColumns](#cfn-kinesisanalytics-applicationreferencedatasource-referenceschema-recordcolumns)" : {{[ RecordColumn, ... ]}},
  "[RecordEncoding](#cfn-kinesisanalytics-applicationreferencedatasource-referenceschema-recordencoding)" : {{String}},
  "[RecordFormat](#cfn-kinesisanalytics-applicationreferencedatasource-referenceschema-recordformat)" : {{RecordFormat}}
}
```

### YAML
<a name="aws-properties-kinesisanalytics-applicationreferencedatasource-referenceschema-syntax.yaml"></a>

```
  [RecordColumns](#cfn-kinesisanalytics-applicationreferencedatasource-referenceschema-recordcolumns): {{
    - RecordColumn}}
  [RecordEncoding](#cfn-kinesisanalytics-applicationreferencedatasource-referenceschema-recordencoding): {{String}}
  [RecordFormat](#cfn-kinesisanalytics-applicationreferencedatasource-referenceschema-recordformat): {{
    RecordFormat}}
```

## Properties
<a name="aws-properties-kinesisanalytics-applicationreferencedatasource-referenceschema-properties"></a>

`RecordColumns`  <a name="cfn-kinesisanalytics-applicationreferencedatasource-referenceschema-recordcolumns"></a>
A list of RecordColumn objects.  
*Required*: Yes  
*Type*: Array of [RecordColumn](aws-properties-kinesisanalytics-applicationreferencedatasource-recordcolumn.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`RecordEncoding`  <a name="cfn-kinesisanalytics-applicationreferencedatasource-referenceschema-recordencoding"></a>
Specifies the encoding of the records in the reference source. For example, UTF-8.  
*Required*: No  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`RecordFormat`  <a name="cfn-kinesisanalytics-applicationreferencedatasource-referenceschema-recordformat"></a>
Specifies the format of the records on the reference source.  
*Required*: Yes  
*Type*: [RecordFormat](aws-properties-kinesisanalytics-applicationreferencedatasource-recordformat.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)