def _parse_fields(self, result, field_name):
field_list = []<EOL>for key, value in result.get('<STR_LIT>', {}).get(field_name, {}).items():<EOL><INDENT>if key not in field_list:<EOL><INDENT>field_list.append(key)<EOL><DEDENT><DEDENT>return field_list<EOL>
If Schema access, parse fields and build respective lists