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26e6f31 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | @startuml
'https://plantuml.com/sequence-diagram
participant Client
participant Lambda
participant "Persistence layer"
Client->Lambda:Invoke (event)
Lambda->"Persistence layer":Get or set (id=event.search(payload))
activate "Persistence layer"
note right of "Persistence layer":Locked during this time. Prevents \nmultiple Lambda invocations with the \nsame payload running concurrently.
Lambda-->x Lambda:Run Lambda handler (event). Raises Exception.
Lambda->"Persistence layer":Delete record (id=event.search(payload))
deactivate "Persistence layer"
Client<--Lambda:Return error response
@enduml
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