class_docstr: Widget for editing OBJECT parameters
class_docstr_tok: ["Widget","for","editing","OBJECT","parameters"]
code: def update_param(self, option):
      self.signal_object_changed.emit()
  
file_path: vispy/examples/scene/isocurve_for_trisurface_qt.py
imports: import numpy
  from vispy import scene, app
  from vispy.geometry.generation import create_sphere
  from vispy.color.colormap import get_colormaps
label_desc: Use image node_id 2 for calling the ObjectWidget obj's underlying member method code with example usage: obj.update_param(option) without return types