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# AWS::QuickSight::Dashboard TreeMapFieldWells
<a name="aws-properties-quicksight-dashboard-treemapfieldwells"></a>

The field wells of a tree map.

This is a union type structure. For this structure to be valid, only one of the attributes can be defined.

## Syntax
<a name="aws-properties-quicksight-dashboard-treemapfieldwells-syntax"></a>

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

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

```
{
  "[TreeMapAggregatedFieldWells](#cfn-quicksight-dashboard-treemapfieldwells-treemapaggregatedfieldwells)" : TreeMapAggregatedFieldWells
}
```

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

```
  [TreeMapAggregatedFieldWells](#cfn-quicksight-dashboard-treemapfieldwells-treemapaggregatedfieldwells): 
    TreeMapAggregatedFieldWells
```

## Properties
<a name="aws-properties-quicksight-dashboard-treemapfieldwells-properties"></a>

`TreeMapAggregatedFieldWells`  <a name="cfn-quicksight-dashboard-treemapfieldwells-treemapaggregatedfieldwells"></a>
The aggregated field wells of a tree map.  
*Required*: No  
*Type*: [TreeMapAggregatedFieldWells](aws-properties-quicksight-dashboard-treemapaggregatedfieldwells.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)