@startuml CreateRxControls(id=CreateRxControls)

    participant TD                  as TD
    participant SW                  as SW
    participant UI                  as UI
    control     Wait_Retry          as Wait_Retry
    actor       USER                as US
    collections Pre_Tx              as Pre_Tx

    '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

    == Create Rx - Controls ==
    alt Edit
        UI -> UI: ACT: Enabled all editable fields
    end
    alt Select
        UI -> UI: ACT: Open Prescription Manager
    end
    alt Clear All
        UI -> UI: ACT: Clear all data from screen       \
                    \n\tSet each field to inactive
    end
    alt Is Validated?
        UI -> SW: ACT: Notify FW canceling confirm treatment parameters
        SW -> TD: MSG: [x44: 0] Req \n Prescription Parameters Confirmations: Back
        SW -> UI: ACT: Set to not validated
        UI -> UI: ACT: Enable Fields
        UI ->o Wait_Retry: ⟲: Create Rx Screen/ Popup
    end
@enduml