**Problem**:

I cannot understand that why in this lesson my solution is not working with bracket notation but working with dot notation. Can u help me understand this in easy wording??? solutions is given below.

**MY Solution**:

```
function addFriend(userObj, friend) {
// change code below this line
userObj[data][friends].push(friend);
return userObj[data][friends];
// change code above this line
}
```

**REAL Solution**:

```
function addFriend(userObj, friend) {
// change code below this line
userObj.data.friends.push(friend);
return userObj.data.friends;
// change code above this line
}
```