---
title: Add your custom global dynamic variables for RSS feeds
url: "https://www.seopress.org/support/hooks/add-your-custom-global-dynamic-variables-for-rss-feeds/"
lang: en-US
updated: 2021-10-19
hook_name: seopress_rss_dyn_vars / seopress_rss_dyn_vars_value
required_version: 5.2
---

# Add your custom global dynamic variables for RSS feeds

- **Hook name:** `seopress_rss_dyn_vars / seopress_rss_dyn_vars_value`
- **Required version:** 5.2

```php
function sp_rss_dyn_vars($vars) {
    $vars[] = '%%my-custom-global-variable%%';
    return $vars;
}
add_filter('seopress_rss_dyn_vars', 'sp_rss_dyn_vars');

function sp_rss_dyn_vars_value($vars) {
    //escape your values!
	$vars[] = esc_attr(wp_strip_all_tags('my custom value'));
    
    return $vars;
}
add_filter('seopress_rss_dyn_vars_value', 'sp_rss_dyn_vars_value');
```

Source: [https://gist.github.com/wp-seopress/632a8e33c254d805a249d15dd06df5df](https://gist.github.com/wp-seopress/632a8e33c254d805a249d15dd06df5df)