@startuml

title Big Bank Plc - Internet Banking - Single-Page App - Sign In - Sequence - Context level

participant "External" as C4InterFlow.SoftwareSystems.ExternalSystem
participant "Internet Banking" as BigBankPlc.SoftwareSystems.InternetBanking

C4InterFlow.SoftwareSystems.ExternalSystem -> BigBankPlc.SoftwareSystems.InternetBanking : Sign In


@enduml
