/*
 * Adding single page when install
 */
$p = SinglePage::add('/store/services', $pkg);
if (is_object($p)) {
    $p->update(array('cName' => t('Services'), 'cDescription' => t('c5commerce frontend web services')));
}
 
/**
 * Code above will execute add method in the Single class -> /concrete/src/Page/Single.php
 * 
 * Single class
 */
class Single {
 
    // code
    public static function add($cPath, $pkg = null) {
 
        //code
 
        $parent = CorePage::getByID(1);
 
        //code
 
        $newC = $parent->addStatic($data); //will execute static method in Page class -> /concrete/src/Page/Page.php
 
        //code
    }
 
    //code
}
 
 
/**
 * Page class
 */
 
class Page extends Collection implements \Concrete\Core\Permission\ObjectInterface {
    //code
 
    public function addStatic($data) {
 
        //code
 
        /*
         * in line 2732 I just see cIsSystemPage value is harcode = 0, so I can not add from parameter. Add single page as system is illegal way..? or just not provided yet..?
         */
        $cIsSystemPage = 0;
        //code
        $v = array($cID, $cFilename, $cParentID, $cInheritPermissionsFrom, $this->overrideTemplatePermissions(), $cInheritPermissionsFromCID, $cDisplayOrder, $cIsSystemPage, $uID, $pkgID);
        $q = "insert into Pages (cID, cFilename, cParentID, cInheritPermissionsFrom, cOverrideTemplatePermissions, cInheritPermissionsFromCID, cDisplayOrder, cIsSystemPage, uID, pkgID) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
        $r = $db->prepare($q);
        $res = $db->execute($r, $v);
 
        //code
 
    }
    //code
}