code: def name(self):
      return self.__name
  
file_path: dipy/dipy/viz/horizon/tab/roi.py
imports: from dipy.utils.optpkg import optional_package
  from dipy.viz.horizon.tab import HorizonTab, build_label, color_single_slider
label_desc: Use image node_id 4 for calling the ROIsTab obj's underlying member method code with example usage: obj.name() and returns: self