# DescribeVpcEndpointServicePermissions
<a name="API_DescribeVpcEndpointServicePermissions"></a>

Describes the principals (service consumers) that are permitted to discover your VPC endpoint service. Principal ARNs with path components aren't supported.

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

The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see [Common Query Parameters](CommonParameters.md).

 **DryRun**   
Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is `DryRunOperation`. Otherwise, it is `UnauthorizedOperation`.  
Type: Boolean  
Required: No

 **Filter.N**   
The filters.  
+  `principal` - The ARN of the principal.
+  `principal-type` - The principal type (`All` \$1 `Service` \$1 `OrganizationUnit` \$1 `Account` \$1 `User` \$1 `Role`).
Type: Array of [Filter](API_Filter.md) objects  
Required: No

 **MaxResults**   
The maximum number of results to return for the request in a single page. The remaining results of the initial request can be seen by sending another request with the returned `NextToken` value. This value can be between 5 and 1,000; if `MaxResults` is given a value larger than 1,000, only 1,000 results are returned.  
Type: Integer  
Required: No

 **NextToken**   
The token to retrieve the next page of results.  
Type: String  
Required: No

 **ServiceId**   
The ID of the service.  
Type: String  
Required: Yes

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

The following elements are returned by the service.

 **allowedPrincipals**   
Information about the allowed principals.  
Type: Array of [AllowedPrincipal](API_AllowedPrincipal.md) objects

 **nextToken**   
The token to use to retrieve the next page of results. This value is `null` when there are no more results to return.  
Type: String

 **requestId**   
The ID of the request.  
Type: String

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

For information about the errors that are common to all actions, see [Common client error codes](errors-overview.md#CommonErrors).

## Examples
<a name="API_DescribeVpcEndpointServicePermissions_Examples"></a>

### Example
<a name="API_DescribeVpcEndpointServicePermissions_Example_1"></a>

This example describes the permissions for service `vpce-svc-03d5ebb7d9579a123`.

#### Sample Request
<a name="API_DescribeVpcEndpointServicePermissions_Example_1_Request"></a>

```
https://ec2.amazonaws.com/?Action=DescribeVpcEndpointServicePermissions
&ServiceId=vpce-svc-03d5ebb7d9579a123
&AUTHPARAMS
```

#### Sample Response
<a name="API_DescribeVpcEndpointServicePermissions_Example_1_Response"></a>

```
<DescribeVpcEndpointServicePermissionsResponse xmlns="http://ec2.amazonaws.com/doc/2016-11-15/">
    <requestId>5359c8a3-9151-4964-abed-b4422example</requestId>
    <allowedPrincipals>
        <item>
            <principal>arn:aws:iam::123456789012:root</principal>
            <principalType>Account</principalType>
        </item>
    </allowedPrincipals>
</DescribeVpcEndpointServicePermissionsResponse>
```

## See Also
<a name="API_DescribeVpcEndpointServicePermissions_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/ec2-2016-11-15/DescribeVpcEndpointServicePermissions) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/ec2-2016-11-15/DescribeVpcEndpointServicePermissions) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ec2-2016-11-15/DescribeVpcEndpointServicePermissions) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/ec2-2016-11-15/DescribeVpcEndpointServicePermissions) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/DescribeVpcEndpointServicePermissions) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/ec2-2016-11-15/DescribeVpcEndpointServicePermissions) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/ec2-2016-11-15/DescribeVpcEndpointServicePermissions) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/ec2-2016-11-15/DescribeVpcEndpointServicePermissions) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/ec2-2016-11-15/DescribeVpcEndpointServicePermissions) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/DescribeVpcEndpointServicePermissions)