def METHOD_NAME(self, *args, **kwargs):
    if 'q' in self.request.query_params:
        q = self.request.query_params['q']
    else:
        q = '*'
    multi_match = MultiMatch(
        query=q,
        fields=[
            'id',
            'text',
            'category_assignment.category.name',
            'reporter.email',  # SIG-2058 [BE] email, telefoon aan vrij zoeken toevoegen
            'reporter.phone'  # SIG-2058 [BE] email, telefoon aan vrij zoeken toevoegen
        ]
    )
    s = SignalDocument.search().query(multi_match)
    s.execute()
    return s