obtained by : export QT_LOGGING_RULES=qt.qpa.tray.debug=true

t.qpa.tray: D-Bus tray available: true
qt.qpa.tray: 
qt.qpa.tray: true
qt.qpa.tray: 
updateMenu_sys
updateMenu_sys_qpa QMenu(0x22a89e0)
qt.qpa.tray: 
qt.qpa.tray: QDBusPlatformMenu(0x22ccbb0)
qt.qpa.tray: "" (QSize(744, 744))
updateToolTip_sys_qpa "Heart"
qt.qpa.tray: "Heart"
qt.qpa.tray: registering "org.kde.StatusNotifierItem-1348-2"
updateMenu_sys
updateMenu_sys_qpa QMenu(0x22a89e0)
qt.qpa.tray: QDBusPlatformMenu(0x22ccbb0)
qt.qpa.tray: "" (QSize(744, 744))
updateToolTip_sys_qpa "Heart"
qt.qpa.tray: "Heart"
showMessage hide/show
qt.qpa.tray: "Cannot connect to network" "Don't believe me. Honestly, I don't have a clue.\nClick this balloon for details."  "dialog-information" 15000
qt.qpa.tray: "NeedsAttention"
qt.qpa.tray: "systray" 0 "dialog-information" "Cannot connect to network" "Don't believe me. Honestly, I don't have a clue.\nClick this balloon for details." () QMap(("urgency", QVariant(int, 0))) 15000
qt.qpa.tray: 1736 1165
iconActivated 3
qt.qpa.tray: "" (QSize(347, 348))
updateToolTip_sys_qpa "Trash"
qt.qpa.tray: "Trash"
qt.qpa.tray: "Active"