AWS SDK Version 3 for .NET
API Reference

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Modifies an existing event notification subscription. Note that you can't modify the source identifiers using this call; to change source identifiers for a subscription, use the AddSourceIdentifierToSubscription and RemoveSourceIdentifierFromSubscription calls.

You can see a list of the event categories for a given SourceType by using the DescribeEventCategories action.


This is an asynchronous operation using the standard naming convention for .NET 4.5 or higher. For .NET 3.5 the operation is implemented as a pair of methods using the standard naming convention of BeginModifyEventSubscription and EndModifyEventSubscription.

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


public abstract Task<ModifyEventSubscriptionResponse> ModifyEventSubscriptionAsync(
         ModifyEventSubscriptionRequest request,
         CancellationToken cancellationToken
Type: Amazon.Neptune.Model.ModifyEventSubscriptionRequest

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

Type: System.Threading.CancellationToken

A cancellation token that can be used by other objects or threads to receive notice of cancellation.

Return Value
The response from the ModifyEventSubscription service method, as returned by Neptune.


EventSubscriptionQuotaExceededException You have exceeded the number of events you can subscribe to.
SNSInvalidTopicException The SNS topic is invalid.
SNSNoAuthorizationException There is no SNS authorization.
SNSTopicArnNotFoundException The ARN of the SNS topic could not be found.
SubscriptionCategoryNotFoundException The designated subscription category could not be found.
SubscriptionNotFoundException The designated subscription could not be found.

Version Information

.NET Core App:
Supported in: 3.1

.NET Standard:
Supported in: 2.0

.NET Framework:
Supported in: 4.5

See Also