Letter Viewer Callbacks

2026-03-26 | ๐Ÿ“‘ 0 words | โฑ 0 mins | ๐Ÿงพ History | โœ Tom D'Roza | ๐Ÿ”‘ Ross Buggins

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Known Issues / Todo

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Events Consumed

Events Produced

Diagrams

c4code-nhsapp-status-handler

C4:
Link to this diagram directly: /nhs-notify-digital-letters/diagrams/c4code-nhsapp-status-handler.html
architecture-beta
    group AppStatusHandler(cloud)[NHSAppStatusHandler]
    service optedOutEvent(aws:res-amazon-eventbridge-event)[channel status PUBLISHED v1 Event]
    service lambda(logos:aws-lambda)[App Status Handler] in AppStatusHandler
    service sqs(logos:aws-sqs)[App Status Queue] in AppStatusHandler
    service ddb(aws:arch-amazon-dynamodb)[Items With TTL] in AppStatusHandler
    service docReadEvent(aws:res-amazon-eventbridge-event)[DigitalLetterRead Event]

    optedOutEvent:R --> L:sqs
    sqs:R --> L:lambda
    lambda:B --> T:ddb
    lambda:R --> L:docReadEvent