I built a code that grabs only one type of google calendar event and sends the information to a spreadsheet. It works, but now I need to turn this function into an html dropdown list, I tried several options but when I click OK it doesn't run. What should I change? I'll leave the old code (works) and try a new one (doesn't work).

Old:

function onOpen(e) {

  // MENU
  
  let ui = SpreadsheetApp.getUi()

  ui.createMenu("⚡")
    .addItem("⏹ Atualizar Reuniões", "atualReunioes")
    .addItem('