# TreeMapFieldWells
<a name="API_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.

## Contents
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**Note**  
In the following list, the required parameters are described first.

 ** TreeMapAggregatedFieldWells **   <a name="QS-Type-TreeMapFieldWells-TreeMapAggregatedFieldWells"></a>
The aggregated field wells of a tree map.  
Type: [TreeMapAggregatedFieldWells](API_TreeMapAggregatedFieldWells.md) object  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/quicksight-2018-04-01/TreeMapFieldWells) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/quicksight-2018-04-01/TreeMapFieldWells) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/quicksight-2018-04-01/TreeMapFieldWells)