code: def fulltext(search, lang=Lang.English, ignore_case=True):
          
          return {
              "$text": {
                  "$search": search,
                  "$language": lang,
                  "$caseSensitive": not ignore_case,
                  "$diacriticSensitive": False,
              }
          }
docs: Full text search.
  
          Example::
  
              filters = Text.fulltext("python pymongo_mate")
  
          .. note::
  
              This field doesn't need to specify field.