# DescribeLoa
<a name="API_DescribeLoa"></a>

Gets the LOA-CFA for a connection, interconnect, or link aggregation group (LAG).

The Letter of Authorization - Connecting Facility Assignment (LOA-CFA) is a document that is used when establishing your cross connect to AWS at the colocation facility. For more information, see [Requesting Cross Connects at Direct Connect Locations](https://docs.aws.amazon.com/directconnect/latest/UserGuide/Colocation.html) in the * Direct Connect User Guide*.

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

```
{
   "connectionId": "string",
   "loaContentType": "string",
   "providerName": "string"
}
```

## Request Parameters
<a name="API_DescribeLoa_RequestParameters"></a>

For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

The request accepts the following data in JSON format.

 ** [connectionId](#API_DescribeLoa_RequestSyntax) **   <a name="DX-DescribeLoa-request-connectionId"></a>
The ID of a connection, LAG, or interconnect.  
Type: String  
Required: Yes

 ** [loaContentType](#API_DescribeLoa_RequestSyntax) **   <a name="DX-DescribeLoa-request-loaContentType"></a>
The standard media type for the LOA-CFA document. The only supported value is application/pdf.  
Type: String  
Valid Values: `application/pdf`   
Required: No

 ** [providerName](#API_DescribeLoa_RequestSyntax) **   <a name="DX-DescribeLoa-request-providerName"></a>
The name of the service provider who establishes connectivity on your behalf. If you specify this parameter, the LOA-CFA lists the provider name alongside your company name as the requester of the cross connect.  
Type: String  
Required: No

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

```
{
   "loaContent": blob,
   "loaContentType": "string"
}
```

## Response Elements
<a name="API_DescribeLoa_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.

 ** [loaContent](#API_DescribeLoa_ResponseSyntax) **   <a name="DX-DescribeLoa-response-loaContent"></a>
The binary contents of the LOA-CFA document.  
Type: Base64-encoded binary data object

 ** [loaContentType](#API_DescribeLoa_ResponseSyntax) **   <a name="DX-DescribeLoa-response-loaContentType"></a>
The standard media type for the LOA-CFA document. The only supported value is application/pdf.  
Type: String  
Valid Values: `application/pdf` 

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

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

 ** DirectConnectClientException **   
One or more parameters are not valid.  
HTTP Status Code: 400

 ** DirectConnectServerException **   
A server-side error occurred.  
HTTP Status Code: 400

## See Also
<a name="API_DescribeLoa_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/directconnect-2012-10-25/DescribeLoa) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/directconnect-2012-10-25/DescribeLoa) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/directconnect-2012-10-25/DescribeLoa) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/directconnect-2012-10-25/DescribeLoa) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/directconnect-2012-10-25/DescribeLoa) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/directconnect-2012-10-25/DescribeLoa) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/directconnect-2012-10-25/DescribeLoa) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/directconnect-2012-10-25/DescribeLoa) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/directconnect-2012-10-25/DescribeLoa) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/directconnect-2012-10-25/DescribeLoa)