# LFTagPolicyResource
<a name="API_LFTagPolicyResource"></a>

A structure containing a list of LF-tag conditions or saved LF-Tag expressions that apply to a resource's LF-tag policy.

## Contents
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 ** ResourceType **   <a name="lakeformation-Type-LFTagPolicyResource-ResourceType"></a>
The resource type for which the LF-tag policy applies.  
Type: String  
Valid Values: `DATABASE | TABLE`   
Required: Yes

 ** CatalogId **   <a name="lakeformation-Type-LFTagPolicyResource-CatalogId"></a>
The identifier for the Data Catalog. By default, the account ID. The Data Catalog is the persistent metadata store. It contains database definitions, table definitions, and other control information to manage your Amazon Lake Formation environment.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Pattern: `[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\t]*`   
Required: No

 ** Expression **   <a name="lakeformation-Type-LFTagPolicyResource-Expression"></a>
A list of LF-tag conditions or a saved expression that apply to the resource's LF-tag policy.  
Type: Array of [LFTag](API_LFTag.md) objects  
Required: No

 ** ExpressionName **   <a name="lakeformation-Type-LFTagPolicyResource-ExpressionName"></a>
If provided, permissions are granted to the Data Catalog resources whose assigned LF-Tags match the expression body of the saved expression under the provided `ExpressionName`.  
Type: String  
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/LFTagPolicyResource) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/lakeformation-2017-03-31/LFTagPolicyResource) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/lakeformation-2017-03-31/LFTagPolicyResource)