mongoose - What use in default tag for to get all mongodb values? -


how use in default tag values?

const querydefaults = {     'tag': ??????????,     'sort': 'createdat',     'limit': 30,     'skip': 0, };  articleschema.statics.list = function ({tag, sort, limit, skip}) {  console.log(tag);  return this.find({'tags.label': tag})     .sort({sort: -1})     .skip(skip)     .limit(limit)     .exec();  };


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