Stuck even with solution

Tell us what’s happening:

I’m completely stuck. even if I copy/paste the solution it doesn’t work.
Can anybody help?

edit: solved it - using incorrect name.

Your code so far

function countOnline(usersObj) {
// Only change code below this line
let result = 0;
for (let user in obj) {
  if (obj[user].online === true) {
return result;
// Only change code above this line

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Challenge: Iterate Through the Keys of an Object with a for…in Statement

Link to the challenge:

where does obj come from? why have you not used the function parameter usersObj?