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This page describes automations in W&B. Create an automation to trigger workflow steps, such as automated model testing and deployment, based on an event in W&B, such as when an artifact artifact version is created or when a run metric meets or changes by a threshold. For example, an automation can notify a Slack channel when a new version is created, trigger an automated testing webhook when the production alias is added to an artifact, or start a validation job only when a run’s loss is within acceptable bounds.

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Overview

An automation can start when a specific event occurs in a registry or project. In a Registry, an automation can start:
  • When a new artifact version is linked to a collection. For example, trigger testing and validation workflows for new candidate models.
  • When an alias is added to an artifact version. For example, trigger a deployment workflow when an alias is added to a model version.
In a project, an automation can start:
  • When a new version is added to an artifact. For example, start a training job when a new version of a dataset artifact is added to a given collection.
  • When an alias is added to an artifact version. For example, trigger a PII redaction workflow when the alias “redaction” is added to a dataset artifact.
  • When a tag is added to an artifact version. For example, trigger a geo-specific workflow when the tag “europe” is added to an artifact version.
  • When a metric for a run meets or exceeds a configured threshold.
  • When a metric for a run changes by a configured threshold.
  • When a run’s status changes to Running, Failed, or Finished.
Optionally, you can:
  • Filter artifacts, aliases, or tags by name
  • Filter runs by user or run name.
For more details, see Automation events and scopes. To create an automation, you:
  1. If required, configure secrets for sensitive strings the automation requires, such as access tokens, passwords, or sensitive configuration details. Secrets are defined in your Team Settings. Secrets are most commonly used in webhook automations to securely pass credentials or tokens to the webhook’s external service without exposing it in plain text or hard-coding it in the webhook’s payload.
  2. Configure team-level webhook or Slack integrations to authorize W&B to post to Slack or run the webhook on your behalf. A single automation action (webhook or Slack notification) can be used by multiple automations. These actions are defined in your Team Settings.
  3. In the project or registry, create the automation:
    1. Define the event to watch for, such as when a new artifact version is added.
    2. Define the action to take when the event occurs (posting to a Slack channel or running a webhook). For a webhook, specify a secret to use for the access token and/or a secret to send with the payload, if required.

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Limitations

Run metric automations are currently supported only in W&B Multi-tenant Cloud.

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Next steps

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