- The decision log retains the body, date, rationale and outcome of each decision.
- Architecture documents export to Word and PDF to prepare the material for the assignment.
- The auditor consults authorised information without changing the repository.
Start with the function. Find the provider.
In ArchiLU: Payments → Payment Engine → Maelis Paiements. Four screens in the same application, connected through the same objects.

Identify what must keep running.
The function catalogue shows criticality, ownership and documented links. Critical or important functions are distinguished from supporting functions.

Understand why it is critical and what supports it.
The Payments record explains the impact of an interruption, names its owner and links to the Payment Engine application. Missing relationships remain visible.

Identify the provider: Maelis Paiements.
The actor registry opens the Maelis Paiements provider record, with its identity, status and role. The dependency chain links this same provider to the Payment Engine application and the ICT maintenance service.

See the dependency. Spot what is missing.
The dedicated view links Payments to its application, ICT services and documented providers. Contracts appear when they cover these services; missing links are identified for each object.
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