javascript - how to insert multiple json data with single key in redis -

i new 1 redis today have stared work on this. have inserted data redis done this

  var data = {       "name": "xxxxxx",       "email": "xxxxx@gmail.com"   }   db.set('userdetails', json.stringify(data), function (err, result) {       console.log(result);   }); 

it inserted fine when try insert new data view newly inserted data not view inserted data . how insert multiple json data using 1 key(userdetails)? there possible create data structure this?

userdetails:

[     {         "name": "xxxxxxxxxxxxxx",         "email": "xxxxxx@gmail.com"     }, {         "name": "xxxxxxxxxx",         "email": "xxxxxxx@gmail.com"     }, {         "name": "xxxxxx",         "email": "xxxxxxxxx@gmail.com"     } ] 

take @ redis queue (or set), maybe it's want (http://redis.io/topics/data-types)