v1 Update dead letter policy on subscription (DEPRECATED)
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(DEPRECATED) Update dead letter policy on subscription
Code sample
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[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[],[],null,["# v1 Update dead letter policy on subscription (DEPRECATED)\n\n(DEPRECATED) Update dead letter policy on subscription\n\nCode sample\n-----------\n\n### Go\n\n\nBefore trying this sample, follow the Go setup instructions in the\n[Pub/Sub quickstart using\nclient libraries](/pubsub/docs/quickstart-client-libraries).\n\n\nFor more information, see the\n[Pub/Sub Go API\nreference documentation](https://godoc.org/cloud.google.com/go/pubsub).\n\n\nTo authenticate to Pub/Sub, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n import (\n \t\"context\"\n \t\"fmt\"\n \t\"io\"\n\n \t\"cloud.google.com/go/pubsub\"\n )\n\n // updateDeadLetter updates an existing subscription with a dead letter policy.\n func updateDeadLetter(w io.Writer, projectID, subID string, fullyQualifiedDeadLetterTopic string) error {\n \t// projectID := \"my-project-id\"\n \t// subID := \"my-sub\"\n \t// fullyQualifiedDeadLetterTopic := \"projects/my-project/topics/my-dead-letter-topic\"\n \tctx := context.Background()\n \tclient, err := pubsub.https://cloud.google.com/go/docs/reference/cloud.google.com/go/pubsub/latest/index.html#cloud_google_com_go_pubsub_Client_NewClient(ctx, projectID)\n \tif err != nil {\n \t\treturn fmt.Errorf(\"pubsub.NewClient: %w\", err)\n \t}\n \tdefer client.Close()\n\n \tupdateConfig := pubsub.SubscriptionConfigToUpdate{\n \t\tDeadLetterPolicy: &pubsub.DeadLetterPolicy{\n \t\t\tDeadLetterTopic: fullyQualifiedDeadLetterTopic,\n \t\t\tMaxDeliveryAttempts: 20,\n \t\t},\n \t}\n\n \tsubConfig, err := client.Subscription(subID).Update(ctx, updateConfig)\n \tif err != nil {\n \t\treturn fmt.Errorf(\"Update: %w\", err)\n \t}\n \tfmt.Fprintf(w, \"Updated subscription config: %+v\\n\", subConfig)\n \treturn nil\n }\n\n### Ruby\n\n\nBefore trying this sample, follow the Ruby setup instructions in the\n[Pub/Sub quickstart using\nclient libraries](/pubsub/docs/quickstart-client-libraries).\n\n\nFor more information, see the\n[Pub/Sub Ruby API\nreference documentation](https://googleapis.dev/ruby/google-cloud-pubsub/latest/Google/Cloud/PubSub.html).\n\n\nTo authenticate to Pub/Sub, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n # subscription_id = \"your-subscription-id\"\n # role = \"roles/pubsub.publisher\"\n # service_account_email = \"serviceAccount:account_name@project_name.iam.gserviceaccount.com\"\n\n pubsub = Google::Cloud::https://cloud.google.com/ruby/docs/reference/google-cloud-pubsub/latest/Google-Cloud.html.new\n\n subscription = pubsub.subscription subscription_id\n subscription.dead_letter_max_delivery_attempts = 20\n puts \"Max delivery attempts is now #{subscription.dead_letter_max_delivery_attempts}.\"\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=pubsub)."]]