# AttachPoint
<a name="API_AttachPoint"></a>

A generalization of an AWS network location to which a [Connection](API_Connection.md) can be attached.

Currently, the only supported type of AttachPoint is a DirectConnect Gateway.

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

**Important**  
This data type is a UNION, so only one of the following members can be specified when used or returned.

 ** arn **   <a name="interconnect-Type-AttachPoint-arn"></a>
Identifies an attach point by full ARN.  
Type: String  
Length Constraints: Minimum length of 59. Maximum length of 150.  
Pattern: `arn:aws[a-z-]*:interconnect:[^:]+:[0-9]{12}:connection/(mcc|lmcc)-[a-z0-9]{8}`   
Required: No

 ** directConnectGateway **   <a name="interconnect-Type-AttachPoint-directConnectGateway"></a>
Identifies an DirectConnect Gateway attach point by DirectConnectGatewayID.  
Type: String  
Length Constraints: Fixed length of 36.  
Pattern: `[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}`   
Required: No

## See Also
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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/interconnect-2022-07-26/AttachPoint) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/interconnect-2022-07-26/AttachPoint) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/interconnect-2022-07-26/AttachPoint)