@startuml Ultrafiltration Adjustment

    participant TD                  as TD
    participant SW                  as SW
    participant UI                  as UI
    actor       USER                as US

    'Possible actions and interaction types
    ' TD -> SW: MSG: Message
    ' SW -> TD: MSG: Message
    ' SW -> UI: CMD: command
    ' UI -> SW: ACT: Action
    ' US -> UI: User actions are:
    '   ENT: User enters a value or string
    '   TCH: User touches a button (RadioButton, CheckBox, ...)
    '   SET: User sets/slides a slider
    '   SCL: User scrolls a flipable area
    '
    'Messages conventions:
    '[x<hex message ID> <Req/Rsp/Dat>  \n  <P1>,<P..>]
    '[x<hex message ID> <Req/Rsp/Dat>  \n  <P1>,# certain amount of parameters according to the content]
    '[x<hex message ID> <Req/Rsp/Dat>  \n  <P1>,X The rest of the parameters do not matter.]

    == Ultrafiltration - Open Ultrafiltration Adjustment Screen ==
    US -> UI: TCH: Ultrafiltration Adjustment Button
    UI -> US: ACT: Open Ultrafiltration Adjustment Start Screen

    == Ultrafiltration - Pause ==
    US -> UI: TCH: Pause Ultrafiltration Button
    UI -> SW: ACT: Pause Ultrafiltration
    SW -> TD: MSG: [x47: Req 0]\nUltrafiltration Pause/Resume Request
    alt accepted
        TD -> SW: MSG: [x48: Rsp 1, X]\nUltrafiltration Pause/Resume Response
        SW -> UI: CMD: Ultrafiltration Pause/Resume Adjustment Triggered
        UI -> US: ACT: Ultrafiltration Paused State
    else rejected
        TD -> SW: MSG: [x48: Rsp 0, rejectionReason]\nUltrafiltration Pause/Resume Response
        SW -> UI: CMD: Ultrafiltration Pause/Resume Adjustment Triggered
        UI -> US: ACT: Display Rejection Reason
    end

    == Ultrafiltration - Resume ==
    US -> UI: TCH: Resume Ultrafiltration Button
    UI -> SW: ACT: Resume Ultrafiltration
    SW -> TD: MSG: [x47: Req 1]\nUltrafiltration Pause/Resume Request
    alt accepted
        TD -> SW: MSG: [x48: Rsp 1, X]\nUltrafiltration Pause/Resume Response
        SW -> UI: CMD: Ultrafiltration Pause/Resume Adjustment Triggered
        UI -> US: ACT: Ultrafiltration Resumed State
    else rejected
        TD -> SW: MSG: [x48: Rsp 0, rejectionReason]\nUltrafiltration Pause/Resume Response
        SW -> UI: CMD: Ultrafiltration Pause/Resume Adjustment Triggered
        UI -> US: ACT: Display Rejection Reason
    end

    == Ultrafiltration - Adjust Volume Goal ==
    note over UI
        Ultrafiltration Paused State
    end note
    US -> UI: TCH: Edit UF Button
    UI -> US: ACT: Open Adjust Ultrafiltration Edit Screen
    US -> UI: SET: Change Ultrafiltration Volume Goal
    US -> UI: TCH: Continue Button
    UI -> SW: ACT: Adjust Ultrafiltration Volume Goal
    SW -> TD: MSG: [x41: Req ufVolumeMl]\nUltrafiltration Volume to Validate Request
    alt accepted
        TD -> SW: MSG: [x42: Rsp 1, X, ufVolume, durationMin, timeDiff, ufRate, rateDiff, oldUFRate]\nUltrafiltration Volume to Validate Response
        SW -> UI: CMD: Ultrafiltration Edit Adjustment Triggered
        UI -> US: ACT: Open Adjust Ultrafiltration Confirm
        US -> UI: TCH: Confirm Button
        UI -> SW: ACT: User Confirm Ultrafiltration Volume Goal Adjustment
        SW -> TD: MSG: [x66: Req volumeMl]\nUltrafiltration User Confirm Settings Change Request
        alt accepted
            TD -> SW: MSG: [x67: Rsp 1, X, volume, duration, rate]\nUltrafiltration User Confirm Settings Change Request
            SW -> UI: CMD: Confirmed Ultrafiltration Settings
            UI -> US: ACT: Close Adjust Ultrafiltration Confirm
        else rejected
            TD -> SW: MSG: [x67: Rsp 0, rejectedReason, X]\nUltrafiltration User Confirm Settings Change Request
            SW -> UI: CMD: Confirmed Ultrafiltration Settings
            UI -> US: ACT: Display Rejection Reason
        end
    else rejected
        TD -> SW: MSG: [x42: Rsp 0, rejectionReason, X]\nUltrafiltration Volume to Validate Response
        SW -> UI: CMD: Ultrafiltration Edit Adjustment Triggered
        UI -> US: ACT: Display Rejection Reason
    end
@enduml