@startuml
skinparam monochrome true
skinparam packageStyle rectangle
skinparam shadowing false

title System Sequence Diagram (SSD)

autonumber

actor "Vehicle And Equipment \nFleet Manager" as VFM
participant ":System" as System

activate VFM

    VFM -> System : asks to register maintenance
    activate System

        System --> VFM : requests data (plateID and Date)
    deactivate System

    VFM -> System : types requested data
    activate System

        System --> VFM : shows all data and requests confirmation
    deactivate System

    VFM -> System : confirms data
        activate System

            System --> VFM : shows vehicle currentKm and requests confirmation

    deactivate System

    VFM -> System : confirms data
        activate System

            System --> VFM : displays operation success

    deactivate System
@enduml