I apologize for the confusion. It looks like there was a typo in my previous response. The function name should be `recurseUser` instead of `recurseUsers`. The updated function name should be:

```

function recurseUser(manager, level, maxLevel, userList) {

var emp = new GlideRecord('sys_user');

var filter = new GlideFilter('OR');

var filter1 = filter.addQuery('manager', manager);

var filter2 = filter.addQuery('sys_id', manager);

filter1.addOrCondition('sys_id', manager);

emp.addEncodedQuery(filter.getXML());

emp.addQuery('active', true);

emp.query();

while (emp.next()) {

userList.push(emp.getValue('sys_id'));

if (level + 1 <= maxLevel) {

recurseUser(emp.getValue('sys_id'), level + 1, maxLevel, userList);

}

}

}

```

Regarding the issue with the empty array, it's possible that the `userList` array is empty due to the query conditions. Make sure that the `managerSysId` parameter is a valid sys_id of a manager in the `sys_user` table, and that the manager has active subordinates up to the specified `maxLevel`.

Also, make sure that you're calling the `getSubordinates()` method correctly and passing in the `managerSysId` parameter. Here's an example of how you can call the method:

```

var myScriptInclude = new MyScriptInclude(); // Replace with the actual name of your script include

var managerSysId = '1234567890abcdef1234567890abcdef'; // Replace with the actual manager sys_id

var subordinates = myScriptInclude.getSubordinates(managerSysId);

// Do something with the subordinates list

```

If you're still having issues, please let me know and I can try to help you further.