Domains

domain models a bounded context and groups related resources.

Example

This example models a Commerce domain with an inline service and a nested Payments subdomain.

main.ec

domain Commerce {
  version 1.0.0
  name "Commerce Domain"
  summary "Order and payment capabilities"
  owner commerce-team

  service OrdersService {
    version 1.0.0
    sends event OrderCreated@1.0.0
  }

  subdomain Payments {
    version 1.0.0
    service PaymentService {
      version 1.0.0
      receives event OrderCreated@1.0.0
    }
  }
}

Properties

Property	Type	Required	Description	Example
version	semver	Yes	Resource version.	1.0.0
name	string	No	Display name (defaults to id).	"Commerce Domain"
summary	string	No	Short description.	"Order and payment capabilities"
owner	reference	No (repeatable)	Team/user owner reference.	owner commerce-team
service	reference/inline	No (repeatable)	Include or define services in the domain.	service OrdersService@1.0.0
subdomain	reference/inline	No (repeatable)	Include or define subdomains.	subdomain Payments { ... }
data-product	reference	No (repeatable)	Related data products.	data-product CommerceInsights@1.0.0
flow	reference	No (repeatable)	Related flows.	flow OrderFulfillment@1.0.0
sends	statement	No (repeatable)	Domain-level produced messages.	sends event OrderCreated
receives	statement	No (repeatable)	Domain-level consumed messages.	receives event PaymentProcessed
draft	boolean	No	Marks resource as draft.	draft true
deprecated	boolean	No	Marks resource as deprecated.	deprecated true