Create a repeatable section entry in Formidable Form

formidable-repeatable.php

<?php
/*
We know our form has ID 1
The name field has ID 5, the repeatable section has ID 10, and 2 fields in repeatabale section are ID 11 and ID 12
But, how do we know that form_id is 2 below?
*/

$parent_form_id = 1;

$child_name = "John";
$child_age = "2";

$row = FrmEntry::create(array(
    'frm_user_id' => $user_ID,
    'form_id' => 2,
    'parent_item_id' => $parent_form_id,
    'item_meta' => array(
        11 => $child_name,
        12 => $child_age
    ),
));

if($row){
    //get array of IDs
    $getrows=FrmEntryMeta::get_entry_meta($parent_form_id, 10);

    //add to the array
    $getrows[] = $row;

    //update the form entry to include new row in repeatable section
    FrmEntryMeta::update_entry_meta($parent_form_id, 10, null, $getrows);
}
?>