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Durable Objects
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Review the definitions for terms used across Cloudflare’s Durable Objects documentation.

alarmA Durable Object alarm is a mechanism that allows you to schedule the Durable Object to be woken up at a time in the future.
Durable ObjectsDurable Objects is a globally distributed coordination API with strongly consistent storage.

A Durable Object migration is a mapping process from a class name to a runtime state. Initiate a Durable Object migration when you need to:

  • Create a new Durable Object class.
  • Rename a Durable Object class.
  • Delete a Durable Object class.
  • Transfer an existing Durable Objects class.