AWS SDK Version 3 for .NET
API Reference

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You can remove individual permissions from an resource policy associated with a Lambda function by providing a statement ID that you provided when you added the permission.

If you are using versioning, the permissions you remove are specific to the Lambda function version or alias you specify in the AddPermission request via the Qualifier parameter. For more information about versioning, see AWS Lambda Function Versioning and Aliases.

Note that removal of a permission will cause an active event source to lose permission to the function.

You need permission for the lambda:RemovePermission action.


For .NET Core, PCL and Unity this operation is only available in asynchronous form. Please refer to RemovePermissionAsync.

Namespace: Amazon.Lambda
Assembly: AWSSDK.Lambda.dll
Version: 3.x.y.z


public virtual RemovePermissionResponse RemovePermission(
         RemovePermissionRequest request
Type: Amazon.Lambda.Model.RemovePermissionRequest

Container for the necessary parameters to execute the RemovePermission service method.

Return Value
The response from the RemovePermission service method, as returned by Lambda.


InvalidParameterValueException One of the parameters in the request is invalid. For example, if you provided an IAM role for AWS Lambda to assume in the CreateFunction or the UpdateFunctionConfiguration API, that AWS Lambda is unable to assume you will get this exception.
PreconditionFailedException The RevisionId provided does not match the latest RevisionId for the Lambda function or alias. Call the GetFunction or the GetAlias API to retrieve the latest RevisionId for your resource.
ResourceNotFoundException The resource (for example, a Lambda function or access policy statement) specified in the request does not exist.
ServiceException The AWS Lambda service encountered an internal error.


This operation removes a Lambda function's permissions

To remove a Lambda function's permissions

var response = client.RemovePermission(new RemovePermissionRequest 
    FunctionName = "myFunction",
    Qualifier = "1",
    StatementId = "role-statement-id"


Version Information

.NET Framework:
Supported in: 4.5, 4.0, 3.5

Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms

Supported Versions: 4.6 and above
Supported Platforms: Android, iOS, Standalone

See Also