2
           
            
                
     
    
    in XOOPS 2.2.x, this is managed by profile params in xoops_version.php,
for example:
$modversion['profile']['field'][] = array(
 'name' => 'vip',
 'title' => 'USER VIP',
 'description' => '',
 'type' => 'textbox',
 'valuetype' => XOBJ_DTYPE_INT,
 'maxlength' => 3,
 'default' => 0,
 'show' => 1,
 'edit' => 0,
 'required' => 0,
 'config' => 1,
);