# ResourceIdPreference
<a name="API_ResourceIdPreference"></a>

Describes the resource type and its ID preference for the user's AWS account, in the current AWS Region.

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

 ** ResourceIdType **   <a name="efs-Type-ResourceIdPreference-ResourceIdType"></a>
Identifies the EFS resource ID preference, either `LONG_ID` (17 characters) or `SHORT_ID` (8 characters).  
Type: String  
Valid Values: `LONG_ID | SHORT_ID`   
Required: No

 ** Resources **   <a name="efs-Type-ResourceIdPreference-Resources"></a>
Identifies the Amazon EFS resources to which the ID preference setting applies, `FILE_SYSTEM` and `MOUNT_TARGET`.  
Type: Array of strings  
Valid Values: `FILE_SYSTEM | MOUNT_TARGET`   
Required: No

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

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/elasticfilesystem-2015-02-01/ResourceIdPreference) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/elasticfilesystem-2015-02-01/ResourceIdPreference) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/elasticfilesystem-2015-02-01/ResourceIdPreference) 

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for Amazon Elastic File System (EFS). To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query efs` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).