code: def SCROLL(amt: float) -> str:
      return (
          """
      const elt = Bokeh.index.roots[0].canvas_view.events_el;
      const event = new WheelEvent('wheel', { deltaY: %f, clientX: 100, clientY: 100} );
      elt.dispatchEvent(event);
      """
          % amt
      )
  
imports: from __future__ import annotations
  import logging
  from typing import TYPE_CHECKING, Any, Sequence
  from selenium.webdriver.common.action_chains import ActionChains
  from selenium.webdriver.common.by import By
  from selenium.webdriver.common.keys import Keys
  from bokeh.models import Button
label_desc: Use image node_id 8 for calling a global function with example usage: SCROLL(amt) and returns: unknown