class_docstr: Base class for composite domains, e.g. ZZ[x], ZZ(X). 
code: def has_CharacteristicZero(self):
      return self.domain.has_CharacteristicZero
  
file_path: sympy/sympy/polys/domains/compositedomain.py
imports: from sympy.polys.domains.domain import Domain
  from sympy.polys.polyerrors import GeneratorsError
  from sympy.utilities import public
label_desc: Use image node_id 6 for calling the CompositeDomain obj's underlying member method code with example usage: obj.has_CharacteristicZero() and returns: self