Scroll Override

[netgfx]

Hello, is there a way to override the scroll? I'm looking into logging how far a user has scrolled. I've tried

onScroll(e) {
     console.log(e)
},
onMove(e) {
     console.log(e)
},
onScrollStart(e) {
      console.log("->", e)
},

but none of them fire