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Deletes a subscription. If the subscription requires authentication for deletion,
only the owner of the subscription or the topic's owner can unsubscribe, and an Amazon
Web Services signature is required. If the
Amazon SQS queue subscriptions require authentication for deletion. Only the owner
of the subscription, or the owner of the topic can unsubscribe using the required
Amazon Web Services signature.
Unsubscribe call does not require
authentication and the requester is not the subscription owner, a final cancellation
message is delivered to the endpoint, so that the endpoint owner can easily resubscribe
to the topic if the Unsubscribe request was unintended.
This action is throttled at 100 transactions per second (TPS).
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 BeginUnsubscribe and EndUnsubscribe.
Namespace: Amazon.SimpleNotificationService
Assembly: AWSSDK.SimpleNotificationService.dll
Version: 3.x.y.z
public virtual Task<UnsubscribeResponse> UnsubscribeAsync( String subscriptionArn, CancellationToken cancellationToken )
The ARN of the subscription to be deleted.
A cancellation token that can be used by other objects or threads to receive notice of cancellation.
| Exception | Condition |
|---|---|
| AuthorizationErrorException | Indicates that the user has been denied access to the requested resource. |
| InternalErrorException | Indicates an internal service error. |
| InvalidParameterException | Indicates that a request parameter does not comply with the associated constraints. |
| InvalidSecurityException | The credential signature isn't valid. You must use an HTTPS endpoint and sign your request using Signature Version 4. |
| NotFoundException | Indicates that the requested resource does not exist. |
.NET Core App:
Supported in: 3.1
.NET Standard:
Supported in: 2.0
.NET Framework:
Supported in: 4.5