Introducing defer(): Giving Follow-Up Work the Context it Never Had

defer() is a new API introduced by Inngest, designed to enhance orchestration tools by allowing for typed, durable follow-up functions to be launched from within a parent run. This innovation addresses the challenge of disconnected follow-up processes by providing a seamless mechanism to pass necessary data, pause execution for extended periods, and link deferred runs to their parent in the user interface. The API enables efficient post-completion background work, overcoming traditional limitations of job queues, workflow engines, and evaluation platforms, which often require separate handlers and manual data alignment. defer() operates as a fire-and-forget mechanism, buffering operations until the parent run finalizes, thus preventing any interference with the parent process. It offers comprehensive functionality, including step execution and event waiting, while ensuring data validation through typed payloads. Currently available in beta within the Inngest TypeScript SDK, defer() is poised to streamline workflows by integrating closely with the rest of Inngest's API, promising future enhancements like batching and encryption support.

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