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Yandex Serverless Containers
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  1. Step-by-step guides
  2. Managing a trigger
  3. Updating a trigger

Updating a trigger in Serverless Containers

Written by
Yandex Cloud
Improved by
Danila N.
Updated at May 13, 2025

You can update any parameters except for the trigger type and launched resource type.

Note

Your changes will apply within five minutes.

Management console
CLI
Terraform
API
  1. In the management console, select the folder containing your trigger.
  2. Open Serverless Containers.
  3. In the left-hand panel, select Triggers.
  4. Select the trigger whose parameters you want to update.
  5. In the top-right corner of the page, click Edit.
  6. Edit the trigger parameters and click Save.

If you do not have the Yandex Cloud (CLI) command line interface yet, install and initialize it.

The folder specified when creating the CLI profile is used by default. To change the default folder, use the yc config set folder-id <folder_ID> command. You can specify a different folder using the --folder-name or --folder-id parameter.

To find out the name or unique ID of a trigger, get a list of triggers in the folder.

  1. See the description of the CLI command for updating trigger parameters:

    yc serverless trigger update <trigger_type> --help
    
  2. Update the trigger parameters, e.g., rename it:

    yc serverless trigger update <trigger_type> <trigger_name> \
      --new-name <new_trigger_name> 
    

    Result:

    id: a1s5msktijh2********
    folder_id: b1gmit33hgh2********
    created_at: "2022-10-24T15:19:15.353909857Z"
    name: my-trigger
    rule:
      object_storage:
        event_type:
        - OBJECT_STORAGE_EVENT_TYPE_CREATE_OBJECT
        - OBJECT_STORAGE_EVENT_TYPE_DELETE_OBJECT
        - OBJECT_STORAGE_EVENT_TYPE_UPDATE_OBJECT
        bucket_id: s3-for-trigger
        prefix: dev
        suffix: 12.jpg
        invoke_container:
          container_id: bba5jb38o8h2********
          service_account_id: aje3932acdh2********
          retry_settings:
            retry_attempts: "1"
            interval: 10s
          dead_letter_queue:
            queue-id: yrn:yc:ymq:ru-central1:aoek49ghmkh2********:dlq
            service-account-id: aje3932acdh2********
    status: ACTIVE
    

With Terraform, you can quickly create a cloud infrastructure in Yandex Cloud and manage it using configuration files. These files store the infrastructure description written in HashiCorp Configuration Language (HCL). If you change the configuration files, Terraform automatically detects which part of your configuration is already deployed, and what should be added or removed.

Terraform is distributed under the Business Source License. The Yandex Cloud provider for Terraform is distributed under the MPL-2.0 license.

For more information about the provider resources, see the documentation on the Terraform website or mirror website.

If you do not have Terraform yet, install it and configure its Yandex Cloud provider.

  1. Open the Terraform configuration file and update the parameters of the function_trigger resource:

    resource "yandex_function_trigger" "my_trigger" {
      name        = "<timer_name>"
      timer {
        cron_expression = "<cron_expression>"
        payload         = "<message>"
      }
      container {
        id                 = "<container_ID>"
        service_account_id = "<service_account_ID>"
        retry_attempts     = <number_of_retry_attempts>
        retry_interval     = <time_between_retry_attempts>
      }
      dlq {
        queue_id           = "<dead-letter_queue_ID>"
        service_account_id = "<service_account_ID>"
      }
    }
    

    Where:

    • name: Timer name. The name format is as follows:

      • It must be from 2 to 63 characters long.
      • It may contain lowercase Latin letters, numbers, and hyphens.
      • It must start with a letter and cannot end with a hyphen.
    • timer: Trigger parameters:

      • cron_expression: Container invocation schedule specified as a cron expression.
      • payload: Message that will be sent to the function if the timer fires. The string length must not exceed 4,096 characters.
    • container: Settings for the container that will be activated by the trigger:

      • id: Container ID.
      • service_account_id: ID of the service account with rights to invoke the container.
      • retry_attempts: Number of invocation retries before the trigger moves a message to the dead letter queue. This is an optional parameter. The values may range from 1 to 5. The default value is 1.
      • retry_intervall: Time to retry invoking the container if the current attempt fails. This is an optional parameter. The values may range from 10 to 60 seconds. The default value is 10 seconds.
    • dlq: Dead-letter queue message parameters:
      • queue_id: Dead-letter queue ID. This is an optional parameter.
      • service_account_id: ID of the service account with write permissions to the dead-letter queue. This is an optional parameter.

    For more information about the function_trigger resource parameters, see the relevant provider documentation.

  2. Create resources:

    1. In the terminal, change to the folder where you edited the configuration file.

    2. Make sure the configuration file is correct using the command:

      terraform validate
      

      If the configuration is correct, the following message is returned:

      Success! The configuration is valid.
      
    3. Run the command:

      terraform plan
      

      The terminal will display a list of resources with parameters. No changes are made at this step. If the configuration contains errors, Terraform will point them out.

    4. Apply the configuration changes:

      terraform apply
      
    5. Confirm the changes: type yes in the terminal and press Enter.

    You can check the updates using the management console or this CLI command:

    yc serverless trigger list
    

To update parameters of a trigger, use the update REST API method for the Trigger resource or the TriggerService/Update gRPC API call.

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