api/manage/api_save.php

<?php
return [
    'update' => [
        'field'    => [
            'table',
            'key' => [
                'type' => 'textarea',
                'autosize' => ['minRows' => 2],
            ],
            'value' => [
                'type' => 'textarea',
                'autosize' => ['minRows' => 2],
            ],
            'type',
        ],
    ],
];