[delicjous]

If you use a new API like ARR, make it your own API and don't extend it.
You could extend API like Page, Node, User... but why your own?!

PHP Code:

 <?php

if (!defined('VB_ENTRY')) {
    die('Access denied.');
}

class TestImportArray_Api_Arr extends vB_Api
{

    public static function getArray($prevResult)
    {
        return [1,2,3,4];
    }
}

{vb:data userIds, testimportarray:arr, getArray}
{vb:debugvardump $userIds}

There is a working example-mod here: https://vbulletin.org/forum/showthre...light=skeleton