Explore Alexandria · Optio Alexandria

Data Command Query Event In-process Scroll or drag to pan · Ctrl + scroll or pinch to zoom

Notes

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Illustrative payment system · authored sample knowledge

What does the recorded payment tell us?

Inspect Payment and its confirmation records. The authored source explains when the outcome becomes known and how duplicate deliveries are recognized.

Read the data, its ownership and the evidence behind the picture.

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Merchant support

Explains outcomes and requests refunds

Support reads the recorded evidence for an order and requests a refund when the lamp is unavailable. A request and a confirmed result are distinct.

ID: actor-support

Outgoing

Request refund-1001 · Merchant support → Payment service · Command · Network · Payment service API Support requests EUR 10000 against pay-1001. refund-1001 uses its own operation key refund-op-1001 and initially remains requested.
Read an order’s payment evidence · Merchant support → Payment service · Query · Network · Payment service API Support reads pay-1001 and its recorded source before deciding whether to request the refund. No bank balance or settlement observation is shown.

Use-case steps

Support checks the confirmed payment and its existing refund history. · Refund the unavailable lamp
Support requests a separate refund; the service records its request and compatible processor confirmation. · Refund the unavailable lamp