code: def create_element(self, name, traversal_parent=False, reference=None):
          
          if reference is None:
              reference = self.element.find_child_reference(name)
          if reference is not None:
              cls = reference['cls']
              element_name = reference['name']
              kwargs = {'reference': reference['ref'],
                        'validation_level': self.element.validation_level,
                        'version': self.element.version}
              if not traversal_parent:
                  kwargs['parent'] = self.element
              else:
                  kwargs['traversal_parent'] = self.element
              return cls(element_name, **kwargs)
          else:
              raise ChildNotFound(name)
docs: Create an element having the given name
  
          :type name: ``str``
          :param name: the name of the element to be created (e.g. PID)
  
          :type traversal_parent: ``bool``
          :param traversal_parent: if ``True``, the parent will be set as temporary for traversal purposes
  
          :param reference: the new element structure (see :func:`load_reference <hl7apy.load_reference>`)
  
          :return: an instance of an :class:`hl7apy.core.Element` subclass
  
          :raises: :exc:`ChildNotFound <hl7apy.exceptions.ChildNotFound>` if the element does not exist