Cloud Pub/Sub v1 API - Class DeadLetterPolicy (3.8.0) 

public sealed class DeadLetterPolicy : IMessage<DeadLetterPolicy>, IEquatable<DeadLetterPolicy>, IDeepCloneable<DeadLetterPolicy>, IBufferMessage, IMessage

Reference documentation and code samples for the Cloud Pub/Sub v1 API class DeadLetterPolicy.

Dead lettering is done on a best effort basis. The same message might be dead lettered multiple times.

If validation on any of the fields fails at subscription creation/updation, the create/update subscription request will fail.

Inheritance

object > DeadLetterPolicy

Namespace

Google.Cloud.PubSub.V1

Assembly

Google.Cloud.PubSub.V1.dll

Constructors

DeadLetterPolicy()

public DeadLetterPolicy()

DeadLetterPolicy(DeadLetterPolicy)

public DeadLetterPolicy(DeadLetterPolicy other)
Parameter
NameDescription
otherDeadLetterPolicy

Properties

DeadLetterTopic

public string DeadLetterTopic { get; set; }

The name of the topic to which dead letter messages should be published. Format is projects/{project}/topics/{topic}.The Cloud Pub/Sub service account associated with the enclosing subscription's parent project (i.e., service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have permission to Publish() to this topic.

The operation will fail if the topic does not exist. Users should ensure that there is a subscription attached to this topic since messages published to a topic with no subscriptions are lost.

Property Value
TypeDescription
string

MaxDeliveryAttempts

public int MaxDeliveryAttempts { get; set; }

The maximum number of delivery attempts for any message. The value must be between 5 and 100.

The number of delivery attempts is defined as 1 + (the sum of number of NACKs and number of times the acknowledgement deadline has been exceeded for the message).

A NACK is any call to ModifyAckDeadline with a 0 deadline. Note that client libraries may automatically extend ack_deadlines.

This field will be honored on a best effort basis.

If this parameter is 0, a default value of 5 is used.

Property Value
TypeDescription
int