def new_template(self, template_name='<None>'):
        """Append a new template from .rft entry to the journal.

        This instructs Revit to create a new template model based on the
        provided .rft template.

        Args:
            template_name (str): optional full path to .rft template
                                 to be used. default value is <None>
        """
        self._add_entry(templates.NEW_MODEL_TEMPLATE
                                 .format(template_name=template_name))