def METHOD_NAME(self, tag, issue, issue_obj):
    METHOD_NAME = []
    # without offtrac, we can't get issue comments
    if self.trac is None:
        return METHOD_NAME
    changelog = self.trac.server.ticket.changeLog(issue['number'])
    for time, author, field, oldvalue, newvalue, permament in changelog:
        if field == 'comment':
            METHOD_NAME.append((author, newvalue, ))
    url = issue_obj.get_processed_url(issue['url'])
    return self.build_annotations(METHOD_NAME, url)