# ColumnIdentifier
<a name="API_ColumnIdentifier"></a>

A column of a data set.

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

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

 ** ColumnName **   <a name="QS-Type-ColumnIdentifier-ColumnName"></a>
The name of the column.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Required: Yes

 ** DataSetIdentifier **   <a name="QS-Type-ColumnIdentifier-DataSetIdentifier"></a>
The data set that the column belongs to.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
Required: Yes

## See Also
<a name="API_ColumnIdentifier_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/ColumnIdentifier) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/quicksight-2018-04-01/ColumnIdentifier) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/quicksight-2018-04-01/ColumnIdentifier)