Outbox Message

Durable delivery intent committed atomically with its source change.

Reviewed: July 2026
Current state: Durable outbox records and worker code exist; production worker operation requires independent verification.

Owning boundary: Kernel integration and notification infrastructure
Not equivalent to: Domain Event · Delivered Notification
Verified identifiers: outboxIntentId

An Outbox Message records durable delivery intent in the same transaction as its source change. A separate worker can retry delivery without repeating the canonical mutation.

Related guidance

What is the difference between a Command and a Domain Event?

Domain Event

Integration Event

Command