Domain Model

Summary

ExpenseClaim is the aggregate root; ExpenseReceiptReference is its child entity; Money, ExpenseCategory, and ExpenseClaimant are structural value objects. Pending, Approved, Rejected, and Paid are the only statuses. Audit/timeline are coordinated infrastructure evidence.

Audience

Backend and frontend developers, QA, architects, DevOps, support, and new engineers.

Source References

• microservices/src/expense-service/Domain/Expense/ExpenseClaim.cs

Related Articles

• Technical overview
• Business documentation

See Also

• Expense module

Keywords

• Expense technical
• Domain/Expense/ExpenseClaim.cs

Revision Information

• Status: Draft
• Last reviewed: 2026-07-16
• Review cycle: Quarterly