InvoiceCreated

1# InvoiceCreated.intent
2# Draft IntentLang (v0). Event intent. Illustrative only.
3
4event InvoiceCreated
5
6why
7  Downstream services react to new invoices, so the contract must be stable.
8
9publishedBy
10  BillingService
11
12consumedBy
13  NotificationService
14  ReportingService
15
16payload
17  invoiceId: InvoiceId
18  customerId: CustomerId
19  total: Money
20
21guarantees
22  event is idempotent
23  event contains no payment secrets
24
25guarantee event contains no payment secrets
26  because event streams are widely readable across the platform
27  verify security scan
28
29never
30  include payment token in payload
31
32verify
33  contract check
34  security scan