sa_exchange_category sa_contact_category "Field contact" id "781cbe75-410f-5cc5-aeb8-a43491f77b99" {
    description "";
    exchanges [@sa_contact];
    family "Participant";
    parent none;
}

sa_event sa_high_pressure "Pressure alarm detected" id "01490fa8-2f01-5ac8-9722-d55d45414379" {
    body {
        Change {
            expression "measured_pressure > operating_limit";
        };
    };
    description "";
    parent none;
}

sa_exchange_category sa_repair_traffic "Repair work exchanges" id "a9a47e48-100c-57a8-95f0-7fe24da94f94" {
    description "";
    exchanges [@sa_repair_request, @sa_repair_report];
    family "Work";
    parent none;
}