def add_lexicon_ref(self, lrid, name, lrtype, url, lexicon_id,<EOL>lexicon_name, datcat_id=None, datcat_name=None):
self.lexicon_refs[lrid] = {<EOL>'<STR_LIT>': lrid,<EOL>'<STR_LIT>': name,<EOL>'<STR_LIT>': lrtype,<EOL>'<STR_LIT>': url,<EOL>'<STR_LIT>': lexicon_id,<EOL>'<STR_LIT>': lexicon_name,<EOL>'<STR_LIT>': datcat_id,<EOL>'<STR_LIT>': datcat_name<EOL>}<EOL>
Add lexicon reference.

        :param str lrid: Lexicon reference internal ID.
        :param str name: Lexicon reference display name.
        :param str lrtype: Lexicon reference service type.
        :param str url: Lexicon reference service location
        :param str lexicon_id: Lexicon reference service id.
        :param str lexicon_name: Lexicon reference service name.
        :param str datacat_id: Lexicon reference identifier of data category.
        :param str datacat_name: Lexicon reference name of data category.