code: def facets(self):
          
          self.verify_integrity()
  
          if self.__facets_enabled:
              data = json.dumps({
                  'trustedFacets' : [{
                      'version': { 'major': 1, 'minor' : 0 },
                      'ids': self.__facets_list
                  }]
              }, sort_keys=True, indent=2, separators=(',', ': '))
  
              mime = 'application/fido.trusted-apps+json'
              resp = Response(data, mimetype=mime)
  
              return resp, 200
          else:
              return jsonify({}), 404
docs: Provides facets support. REQUIRES VALID HTTPS!