tmplvars on OnBeforeDocFormSave

OnBeforeDocFormSave:
<?php
global $tmplvars;

print_r ($tmplvars);

$modx->messageQuit('Debug stopping');

<?

global $tmplvars;
$e = &$modx->Event;
if ($e->name == 'OnBeforeDocFormSave'){
print_r ($tmplvars);
$modx->messageQuit('Debug stopping');
}
?>

Array
(
    [22] => Array
        (
            [0] => 22
            [1] => запонка
        )

    [15] => Array
        (
            [0] => 15
            [1] => 01.01
        )

    [1] => Array
        (
            [0] => 1
            [1] => 7410
        )

    [18] => Array
        (
            [0] => 18
            [1] => есть
        )

    [promo] => 16
    [17] => Array
        (
            [0] => 17
            [1] => 17,46 г
        )

    [19] => Array
        (
            [0] => 19
            [1] => assets/images/collections/nature/ladybug/01.01/IMG_01_c.jpg
        )

    [21] => Array
        (
            [0] => 21
            [1] => assets/images/collections/nature/ladybug/01.01/IMG_01-p.png
        )

    [9] => Array
        (
            [0] => 9
            [1] => серебро
        )

    [3] => Array
        (
            [0] => 3
            [1] => золото
        )

    [2] => Array
        (
            [0] => 2
            [1] => коралл||кристаллы Сваровски
        )

    [4] => Array
        (
            [0] => 4
            [1] => [["assets/images/collections/nature/ladybug/01.01/IMG_01.jpg",""],["assets/images/collections/nature/ladybug/01.01/IMG_02.jpg",""],["assets/images/collections/nature/ladybug/01.01/IMG_03.jpg",""],["assets/images/collections/nature/ladybug/01.01/IMG_04.jpg",""],["assets/images/collections/nature/ladybug/01.01/IMG_05.jpg",""]]
        )

)

$tmplvars[$TVID][0] = $TVID;
$tmplvars[$TVID][1] = 'TV value post here';

$tvValue = $resource->getTVValue($tvNameOrID);
$resource->set('someField', $tvValue);

$id = $resource->get('id');