Default editor content for CPT using a specific Synced Pattern.php

/*** Set default editor content for CPT using a specific Synced Pattern
NOTE: This action will overwrite the post content every time the post is saved.
–––––––––––––––––––––––––––––––––––––––––––––––––– ***/
function add_or_replace_content_with_synced_pattern_for_video_posts($data, $postarr) {
    // Only target the 'video' post type
    if ($data['post_type'] == 'cpt_name') {
        // Define your reusable block ID
        $reusable_block_id = 123; // Replace 123 with your actual reusable block ID

        // Prepare the reusable block content
        $reusable_block_content = sprintf('<!-- wp:block {"ref":%d} /-->', $reusable_block_id);

        // Set the post content to the reusable block content
        $data['post_content'] = $reusable_block_content;
    }

    return $data;
}
add_filter('wp_insert_post_data', 'add_or_replace_content_with_synced_pattern_for_video_posts', '99', 2);