Where chenge this parameter?

$modx->user->Profile->zip

$profile->set('zip', '12345');
$profile->save();

case \'saveProject\':
	    $redirect = false;
	    if (!$_POST[\'id\']) {
	        $userAllowedCount = $modx->user->Profile->zip;
	        if (!$userAllowedCount) $userAllowedCount = 5;
	        $countProject = $modx->runSnippet(\'countProjects\');
	        if ($countProject >= $userAllowedCount) {
	            $res[\'success\'] = false;
	            $res[\'msg\'] = \' Text \'.$userAllowedCount.\' Text.\';
	            break;
	        }

$userAllowedCount = $modx->user->Profile->zip;