code: def showwarning(title=None, message=None, **options):
      "Show a warning message"
      return _show(title, message, WARNING, OK, **options)
  
file_path: cpython/Lib/tkinter/messagebox.py
imports: from tkinter.commondialog import Dialog
label_desc: Use image node_id 3 for calling a global function with example usage: showwarning(title, message) and returns: _show