# TopicCategoryFilterConstant
<a name="API_TopicCategoryFilterConstant"></a>

A constant used in a category filter.

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

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

 ** CollectiveConstant **   <a name="QS-Type-TopicCategoryFilterConstant-CollectiveConstant"></a>
A collective constant used in a category filter. This element is used to specify a list of values for the constant.  
Type: [CollectiveConstant](API_CollectiveConstant.md) object  
Required: No

 ** ConstantType **   <a name="QS-Type-TopicCategoryFilterConstant-ConstantType"></a>
The type of category filter constant. This element is used to specify whether a constant is a singular or collective. Valid values are `SINGULAR` and `COLLECTIVE`.  
Type: String  
Valid Values: `SINGULAR | RANGE | COLLECTIVE`   
Required: No

 ** SingularConstant **   <a name="QS-Type-TopicCategoryFilterConstant-SingularConstant"></a>
A singular constant used in a category filter. This element is used to specify a single value for the constant.  
Type: String  
Length Constraints: Maximum length of 256.  
Required: No

## See Also
<a name="API_TopicCategoryFilterConstant_SeeAlso"></a>

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/TopicCategoryFilterConstant) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/quicksight-2018-04-01/TopicCategoryFilterConstant) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/quicksight-2018-04-01/TopicCategoryFilterConstant)