@startuml Saline_Bolus
    participant TD                  as TD
    participant SW                  as SW
    participant UI                  as UI
    actor       USER                as US

    'Possible actions and interaction types
    ' External on CANBus
    ' TD -> SW: MSG: Message
    ' SW -> TD: MSG: Message

    ' Internal to the application
    ' XX -> YY: CMD: Command
    ' XX -> XX: ACT: Action

    ' External on OS/FS
    ' SW -> Script: ACT: Command
    ' Script -> OS: CMD: Command
    ' Script -> SW: MSG: Message
    ' OS -> Script: MSG: Message

    ' US -> UI: User actions are:
    '   ASK: Display a <message>
    '   ENT: User enters a value or string
    '   TCH: User touches a button (RadioButton, CheckBox, ...)
    '   SCL: User scrolls a flip-able area

    == Solution Infusion ==
    US -> UI: TCH: Press Start/Stop Bolus button
    UI -> SW: ACT: Saline Bolus Request
    SW -> TD: MSG: [x5F: #1]            \
                \n\tRequest:            \
                \n\t(U32) requestedState
    TD -> SW: MSG: [x60: #3]        \
                \n\tResponse:       \
                \n\t(U32)  mAccepted\
                \n\t(U32)  mReason  \
                \n\t(U32)  mTarget
    SW -> UI: ACT: Saline Bolus Response
    UI -> US: ACT: Notify user

    !include common_puml/Saline_Bolus_Data.puml

@enduml