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Lightning talk about Event Modelling

Talkat DDD Europe 2025 · 2025-06-02..06-06· [frontend-architecture]
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Shows event modelling by wiring a UIUX sketch to produce a concrete ShipVisitDeclared event, demonstrating how a minimal form maps to an event payload. Implements a lightweight validation step that checks required fields and returns explicit rejection reasons, then emits either accepted or rejected outcomes. Focus is on the concrete message shape, the synchronous validation process, and how unhappy paths are detected and reported before events enter the system.

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