When creating a single page template the JS scripts aren't included when you have the following in the code as detailed in the articles about creating single page templates:

add_action('wp_enqueue_scripts', function() {
   do_action('stec_single_load_styles');
   do_action('stec_single_load_scripts');
});

Only CSS files included.

The custom page content is:

<?php get_header();
    global $content_width;

    $content_width = 1068;
?>

<?php
add_action('wp_enqueue_scripts', function() {
   do_action('stec_single_load_styles');
   do_action('stec_single_load_scripts');
});
?>

In the page I'm not seeing any of the following JS which are in the default event template:

js/front/helper.min.js
js/front/stec-single.min.js
js/db.min.js
js/front/reminder.min.js
js/front/rsvp.min.js
js/libs/scroll.min.js
js/front/share.min.js

Do you have any working examples of a custom single event page template?

Perfect, just what I was after. Thanks