# TopicSingularFilterConstant
<a name="API_TopicSingularFilterConstant"></a>

A structure that represents a singular filter constant, used in filters to specify a single value to match against.

## Contents
<a name="API_TopicSingularFilterConstant_Contents"></a>

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

 ** ConstantType **   <a name="QS-Type-TopicSingularFilterConstant-ConstantType"></a>
The type of the singular filter constant. Valid values for this structure are `SINGULAR`.  
Type: String  
Valid Values: `SINGULAR | RANGE | COLLECTIVE`   
Required: No

 ** SingularConstant **   <a name="QS-Type-TopicSingularFilterConstant-SingularConstant"></a>
The value of the singular filter constant.  
Type: String  
Length Constraints: Maximum length of 256.  
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/TopicSingularFilterConstant) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/quicksight-2018-04-01/TopicSingularFilterConstant) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/quicksight-2018-04-01/TopicSingularFilterConstant)