How to add a yes/no option for individual users?

[walkman]

Yes, that did it. Thank you very much. I was not entering right a plugin hook.

One more last question, how would I call the user in my script when defining if he would see my custom page which is a bingo page?

For the group was:

PHP Code:

if($mybb->usergroup['canviewpage_contact'] != 1) { error_no_permission(); }

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I tried to use:

$mybb->user['uid']['canviewpage_contact'] and $mybb->user['canviewpage_contact'] but it didn''t work. What is the right array to call the user?