# ColumnWildcard
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A wildcard object, consisting of an optional list of excluded column names or indexes.

## Contents
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 ** ExcludedColumnNames **   <a name="lakeformation-Type-ColumnWildcard-ExcludedColumnNames"></a>
Excludes column names. Any column with this name will be excluded.  
Type: Array of strings  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Pattern: `[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\t]*`   
Required: No

## See Also
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For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/lakeformation-2017-03-31/ColumnWildcard) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/lakeformation-2017-03-31/ColumnWildcard) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/lakeformation-2017-03-31/ColumnWildcard)