code: def has_default(self):
      return hasattr(self, "default")
  
imports: from __future__ import absolute_import
  from __future__ import print_function
  from __future__ import division
  import inspect
  import importlib
  import re
label_desc: Use image node_id 3 for calling the SchemaValue obj's underlying member method code with example usage: obj.has_default() and returns: hasattr