Warning, /plasma/kwin/autotests/integration/scripting/scripts/screenedgetouch.qml is written in an unsupported language. File is not indexed.

 import QtQuick
 import org.kde.kwin
 
 ScreenEdgeHandler {
     edge: ScreenEdgeHandler.LeftEdge
     mode: ScreenEdgeHandler.Touch
     onActivated: {
         Workspace.slotToggleShowDesktop();
     }
 }