How to Use ACF Fields in Schema Generator

In this tutorial https://rankmath.com/kb/how-to-use-acf-fields-in-schema-generator/, you only show to add ACF Field for FAQs. Right now I want to use ACF for my custom field, in our case is the tab for Table of Content (you can refer here: https://kawahbuku.com/titles/bajautopia-tales-of-borneos-sea-nomads/).

This is the code that I change a few places accordingly:

add_filter( ‘rank_math/json_ld’, function( $data, $jsonld ) {
if( ! have_rows(‘table_of_contents’) ) {
return $data;
}
$data[‘faqs’] = [
‘@type’ => ‘FAQPage’,
];
while( have_rows(‘table_of_contents’) ) {
the_row();
$data[‘faqs’][‘mainEntity’][] = [
‘@type’ => ‘Question’,
‘name’ => esc_attr( get_sub_field(‘faq_question’) ),
‘acceptedAnswer’ => [
‘@type’ => ‘Answer’,
‘text’ => esc_attr( get_sub_field(‘faq_answer’) ),
],
];
}
return $data;
}, 10, 2 );

—-

I change the acf-repeater-faq with table_of_contents, but how about:

‘@type’ => ‘FAQPage’, — what should I put here?

‘name’ => esc_attr( get_sub_field(‘faq_question’) ), — what should I replace faq_question

‘text’ => esc_attr( get_sub_field(‘faq_answer’) ), — same here

Since in our ACF setup for Table of Content, we only have field name, that is table_of_content and we dont have any other element. How to custom your code here?

Regards,
Iskandar