Changing Post Sitemap Frequency to Hourly [closed]

As it is explained here

'wpseo_sitemap_' . $filter . '_change_freq'

the $filter should be replaced with post type that you want to change, you can replace it with:

homepage,

blogpage,

$post_type . '_archive',

$post_type . '_single',

$c->taxonomy . '_term',

author_archive.

while the $post_type variable based on WordPress Codex can be replaced with:

• Post (Post Type: ‘post’)
• Page (Post Type: ‘page’)
• Attachment (Post Type: ‘attachment’)
• Revision (Post Type: ‘revision’)
• Navigation menu (Post Type: ‘nav_menu_item’)

at the end for single post your code should look like:

add_filter( 'wpseo_sitemap_post_single_change_freq', 'my_custom_post_freq', 10, 2 );

  function my_custom_post_freq( $default, $url ) {

    return 'hourly';

  }

After adding this to your theme functions go back to Yoast Seo plugin back-end, disable XML sitemap functionality, save it, then re-enable and reload www.yoursite.com/post-sitemap.xml