code: def grab_frames(
      width, height, x_offset, y_offset, pipeline_string=None
  ):
      from serpent.frame_grabber import FrameGrabber
  
      frame_grabber = FrameGrabber(
          width=int(width),
          height=int(height),
          x_offset=int(x_offset),
          y_offset=int(y_offset),
          pipeline_string=pipeline_string,
      )
  
      frame_grabber.start()
  
imports: import os
  import sys
  import shutil
  import subprocess
  import shlex
  import time
  import offshoot
  from serpent.utilities import clear_terminal, display_serpent_logo, is_linux, is_windows, wait_for_crossbar
  from serpent.window_controller import WindowController
label_desc: Use image node_id 11 for calling a global function with example usage: grab_frames(width, height, x_offset, y_offset, pipeline_string) without return types