# GetCoreNetwork
<a name="API_GetCoreNetwork"></a>

Returns information about the LIVE policy for a core network.

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

```
GET /core-networks/coreNetworkId HTTP/1.1
```

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

The request uses the following URI parameters.

 ** [coreNetworkId](#API_GetCoreNetwork_RequestSyntax) **   <a name="networkmanager-GetCoreNetwork-request-uri-CoreNetworkId"></a>
The ID of a core network.  
Length Constraints: Minimum length of 0. Maximum length of 50.  
Pattern: `^core-network-([0-9a-f]{8,17})$`   
Required: Yes

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

The request does not have a request body.

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

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

{
   "CoreNetwork": { 
      "CoreNetworkArn": "string",
      "CoreNetworkId": "string",
      "CreatedAt": number,
      "Description": "string",
      "Edges": [ 
         { 
            "Asn": number,
            "EdgeLocation": "string",
            "InsideCidrBlocks": [ "string" ]
         }
      ],
      "GlobalNetworkId": "string",
      "NetworkFunctionGroups": [ 
         { 
            "EdgeLocations": [ "string" ],
            "Name": "string",
            "Segments": { 
               "SendTo": [ "string" ],
               "SendVia": [ "string" ]
            }
         }
      ],
      "Segments": [ 
         { 
            "EdgeLocations": [ "string" ],
            "Name": "string",
            "SharedSegments": [ "string" ]
         }
      ],
      "State": "string",
      "Tags": [ 
         { 
            "Key": "string",
            "Value": "string"
         }
      ]
   }
}
```

## Response Elements
<a name="API_GetCoreNetwork_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.

 ** [CoreNetwork](#API_GetCoreNetwork_ResponseSyntax) **   <a name="networkmanager-GetCoreNetwork-response-CoreNetwork"></a>
Details about a core network.  
Type: [CoreNetwork](API_CoreNetwork.md) object

## Errors
<a name="API_GetCoreNetwork_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

 ** 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_GetCoreNetwork_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/GetCoreNetwork) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/networkmanager-2019-07-05/GetCoreNetwork) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/networkmanager-2019-07-05/GetCoreNetwork) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/networkmanager-2019-07-05/GetCoreNetwork) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/networkmanager-2019-07-05/GetCoreNetwork) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/networkmanager-2019-07-05/GetCoreNetwork) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/networkmanager-2019-07-05/GetCoreNetwork) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/networkmanager-2019-07-05/GetCoreNetwork) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/networkmanager-2019-07-05/GetCoreNetwork) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/networkmanager-2019-07-05/GetCoreNetwork)