# CreateSiteToSiteVpnAttachment
<a name="API_CreateSiteToSiteVpnAttachment"></a>

Creates an Amazon Web Services site-to-site VPN attachment on an edge location of a core network.

## Request Syntax
<a name="API_CreateSiteToSiteVpnAttachment_RequestSyntax"></a>

```
POST /site-to-site-vpn-attachments HTTP/1.1
Content-type: application/json

{
   "ClientToken": "string",
   "CoreNetworkId": "string",
   "RoutingPolicyLabel": "string",
   "Tags": [ 
      { 
         "Key": "string",
         "Value": "string"
      }
   ],
   "VpnConnectionArn": "string"
}
```

## URI Request Parameters
<a name="API_CreateSiteToSiteVpnAttachment_RequestParameters"></a>

The request does not use any URI parameters.

## Request Body
<a name="API_CreateSiteToSiteVpnAttachment_RequestBody"></a>

The request accepts the following data in JSON format.

 ** [ClientToken](#API_CreateSiteToSiteVpnAttachment_RequestSyntax) **   <a name="networkmanager-CreateSiteToSiteVpnAttachment-request-ClientToken"></a>
The client token associated with the request.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 256.  
Pattern: `[\s\S]*`   
Required: No

 ** [CoreNetworkId](#API_CreateSiteToSiteVpnAttachment_RequestSyntax) **   <a name="networkmanager-CreateSiteToSiteVpnAttachment-request-CoreNetworkId"></a>
The ID of a core network where you're creating a site-to-site VPN attachment.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 50.  
Pattern: `^core-network-([0-9a-f]{8,17})$`   
Required: Yes

 ** [RoutingPolicyLabel](#API_CreateSiteToSiteVpnAttachment_RequestSyntax) **   <a name="networkmanager-CreateSiteToSiteVpnAttachment-request-RoutingPolicyLabel"></a>
The routing policy label to apply to the Site-to-Site VPN attachment for traffic routing decisions.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 256.  
Pattern: `[\s\S]*`   
Required: No

 ** [Tags](#API_CreateSiteToSiteVpnAttachment_RequestSyntax) **   <a name="networkmanager-CreateSiteToSiteVpnAttachment-request-Tags"></a>
The tags associated with the request.  
Type: Array of [Tag](API_Tag.md) objects  
Required: No

 ** [VpnConnectionArn](#API_CreateSiteToSiteVpnAttachment_RequestSyntax) **   <a name="networkmanager-CreateSiteToSiteVpnAttachment-request-VpnConnectionArn"></a>
The ARN identifying the VPN attachment.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 500.  
Pattern: `^arn:[^:]{1,63}:ec2:[^:]{0,63}:[^:]{0,63}:vpn-connection\/vpn-[0-9a-f]{8,17}$`   
Required: Yes

## Response Syntax
<a name="API_CreateSiteToSiteVpnAttachment_ResponseSyntax"></a>

```
HTTP/1.1 200
Content-type: application/json

{
   "SiteToSiteVpnAttachment": { 
      "Attachment": { 
         "AttachmentId": "string",
         "AttachmentPolicyRuleNumber": number,
         "AttachmentType": "string",
         "CoreNetworkArn": "string",
         "CoreNetworkId": "string",
         "CreatedAt": number,
         "EdgeLocation": "string",
         "EdgeLocations": [ "string" ],
         "LastModificationErrors": [ 
            { 
               "Code": "string",
               "Message": "string",
               "RequestId": "string",
               "ResourceArn": "string"
            }
         ],
         "NetworkFunctionGroupName": "string",
         "OwnerAccountId": "string",
         "ProposedNetworkFunctionGroupChange": { 
            "AttachmentPolicyRuleNumber": number,
            "NetworkFunctionGroupName": "string",
            "Tags": [ 
               { 
                  "Key": "string",
                  "Value": "string"
               }
            ]
         },
         "ProposedSegmentChange": { 
            "AttachmentPolicyRuleNumber": number,
            "SegmentName": "string",
            "Tags": [ 
               { 
                  "Key": "string",
                  "Value": "string"
               }
            ]
         },
         "ResourceArn": "string",
         "SegmentName": "string",
         "State": "string",
         "Tags": [ 
            { 
               "Key": "string",
               "Value": "string"
            }
         ],
         "UpdatedAt": number
      },
      "VpnConnectionArn": "string"
   }
}
```

## Response Elements
<a name="API_CreateSiteToSiteVpnAttachment_ResponseElements"></a>

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

 ** [SiteToSiteVpnAttachment](#API_CreateSiteToSiteVpnAttachment_ResponseSyntax) **   <a name="networkmanager-CreateSiteToSiteVpnAttachment-response-SiteToSiteVpnAttachment"></a>
Details about a site-to-site VPN attachment.  
Type: [SiteToSiteVpnAttachment](API_SiteToSiteVpnAttachment.md) object

## Errors
<a name="API_CreateSiteToSiteVpnAttachment_Errors"></a>

For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** AccessDeniedException **   
You do not have sufficient access to perform this action.  
HTTP Status Code: 403

 ** ConflictException **   
There was a conflict processing the request. Updating or deleting the resource can cause an inconsistent state.    
 ** ResourceId **   
The ID of the resource.  
 ** ResourceType **   
The resource type.
HTTP Status Code: 409

 ** InternalServerException **   
The request has failed due to an internal error.    
 ** RetryAfterSeconds **   
Indicates when to retry the request.
HTTP Status Code: 500

 ** ResourceNotFoundException **   
The specified resource could not be found.    
 ** Context **   
The specified resource could not be found.  
 ** ResourceId **   
The ID of the resource.  
 ** ResourceType **   
The resource type.
HTTP Status Code: 404

 ** ThrottlingException **   
The request was denied due to request throttling.    
 ** RetryAfterSeconds **   
Indicates when to retry the request.
HTTP Status Code: 429

 ** ValidationException **   
The input fails to satisfy the constraints.    
 ** Fields **   
The fields that caused the error, if applicable.  
 ** Reason **   
The reason for the error.
HTTP Status Code: 400

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

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/networkmanager-2019-07-05/CreateSiteToSiteVpnAttachment) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/networkmanager-2019-07-05/CreateSiteToSiteVpnAttachment) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/networkmanager-2019-07-05/CreateSiteToSiteVpnAttachment) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/networkmanager-2019-07-05/CreateSiteToSiteVpnAttachment) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/networkmanager-2019-07-05/CreateSiteToSiteVpnAttachment) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/networkmanager-2019-07-05/CreateSiteToSiteVpnAttachment) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/networkmanager-2019-07-05/CreateSiteToSiteVpnAttachment) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/networkmanager-2019-07-05/CreateSiteToSiteVpnAttachment) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/networkmanager-2019-07-05/CreateSiteToSiteVpnAttachment) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/networkmanager-2019-07-05/CreateSiteToSiteVpnAttachment)