# SharedColumnSemanticMetadata
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Semantic metadata shared across one or more columns.

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

 ** ColumnProperties **   <a name="QS-Type-SharedColumnSemanticMetadata-ColumnProperties"></a>
The semantic properties for the specified columns.  
Type: Array of [ColumnSemanticProperty](API_ColumnSemanticProperty.md) objects  
Array Members: Minimum number of 1 item. Maximum number of 3 items.  
Required: Yes

 ** ColumnNames **   <a name="QS-Type-SharedColumnSemanticMetadata-ColumnNames"></a>
The names of the columns this metadata applies to.  
Type: Array of strings  
Array Members: Minimum number of 1 item. Maximum number of 2000 items.  
Length Constraints: Minimum length of 1. Maximum length of 128.  
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\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/quicksight-2018-04-01/SharedColumnSemanticMetadata) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/quicksight-2018-04-01/SharedColumnSemanticMetadata) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/quicksight-2018-04-01/SharedColumnSemanticMetadata)