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# AWS::QuickSight::Topic DataAggregation
<a name="aws-properties-quicksight-topic-dataaggregation"></a>

The definition of a data aggregation.

## Syntax
<a name="aws-properties-quicksight-topic-dataaggregation-syntax"></a>

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

### JSON
<a name="aws-properties-quicksight-topic-dataaggregation-syntax.json"></a>

```
{
  "[DatasetRowDateGranularity](#cfn-quicksight-topic-dataaggregation-datasetrowdategranularity)" : String,
  "[DefaultDateColumnName](#cfn-quicksight-topic-dataaggregation-defaultdatecolumnname)" : String
}
```

### YAML
<a name="aws-properties-quicksight-topic-dataaggregation-syntax.yaml"></a>

```
  [DatasetRowDateGranularity](#cfn-quicksight-topic-dataaggregation-datasetrowdategranularity): String
  [DefaultDateColumnName](#cfn-quicksight-topic-dataaggregation-defaultdatecolumnname): String
```

## Properties
<a name="aws-properties-quicksight-topic-dataaggregation-properties"></a>

`DatasetRowDateGranularity`  <a name="cfn-quicksight-topic-dataaggregation-datasetrowdategranularity"></a>
The level of time precision that is used to aggregate `DateTime` values.  
*Required*: No  
*Type*: String  
*Allowed values*: `SECOND | MINUTE | HOUR | DAY | WEEK | MONTH | QUARTER | YEAR`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`DefaultDateColumnName`  <a name="cfn-quicksight-topic-dataaggregation-defaultdatecolumnname"></a>
The column name for the default date.  
*Required*: No  
*Type*: String  
*Minimum*: `0`  
*Maximum*: `256`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)