ServiceBusAdministrationClient.GetSubscriptionAsync Method
Definition
Important
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Retrieves a subscription from the service namespace.
public virtual System.Threading.Tasks.Task<Azure.Response<Azure.Messaging.ServiceBus.Administration.SubscriptionProperties>> GetSubscriptionAsync (string topicName, string subscriptionName, System.Threading.CancellationToken cancellationToken = default);
abstract member GetSubscriptionAsync : string * string * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Azure.Response<Azure.Messaging.ServiceBus.Administration.SubscriptionProperties>>
override this.GetSubscriptionAsync : string * string * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Azure.Response<Azure.Messaging.ServiceBus.Administration.SubscriptionProperties>>
Public Overridable Function GetSubscriptionAsync (topicName As String, subscriptionName As String, Optional cancellationToken As CancellationToken = Nothing) As Task(Of Response(Of SubscriptionProperties))
Parameters
- topicName
- String
The name of the topic relative to service bus namespace.
- subscriptionName
- String
The subscription name.
- cancellationToken
- CancellationToken
An optional CancellationToken instance to signal the request to cancel the operation.
Returns
SubscriptionProperties containing information about the subscription.
Exceptions
The operation times out. The timeout period is initialized through the ServiceBusAdministrationClientOptions class (see Retry property). You may need to increase the value of timeout to avoid this exception if the timeout value is relatively low.
Topic or Subscription with this name does not exist.
The server is busy. You should wait before you retry the operation.
The topic or subscription name is null or empty.
The topic or subscription name exceeds the maximum allowed length.
The topic or subscription name is otherwise invalid.
Insufficient permission to perform this operation. You should check to ensure that your ServiceBusAdministrationClient has the necessary claims to perform this operation. https://learn.microsoft.com/azure/service-bus-messaging/service-bus-sas#rights-required-for-service-bus-operations
- The specified entity could not be found. The Reason will be set to MessagingEntityNotFound in this case.
- The operation timed out. The Reason will be set to ServiceTimeout in this case.
- The server is busy. You should wait before you retry the operation. The failure reason will be set to ServiceBusy in this case.
- An internal error or unexpected exception occurs. The failure reason will be set to GeneralError in this case.