Add External Custom Profile Field

[DontWannaName]

So I add this code to my register.php

$steamid=array('field6'=>$vbulletin->GPC['steam_id']);
$userdata->set_userfields($steamid);

Which grabs the content from a box I added on registration and puts it into the users custom profile field 6. But this isnt working, it worked for a while but stopped. I dont know whats wrong. There is content in the box, but it isnt saved when users register.

[Trevor Hannant]

Why not just add a Custom Profile Field from the AdminCP?

[DontWannaName]

It works by adding a field to registration then having a button that takes you to another site where you login. After logging in it closes that window and copies data into the made up field since it wont work with a custom profile field. This worked at one point but now it does not. Not sure how to get the field to save to field6 which is a custom profile field in vb.