woot_extend_settings_default
This hook is helper for hook woot_extend_settings and allows to set default data there.
Example:
add_action('woot_extend_settings_default', function($defaults) { $defaults[$this->setting_key] = 'id,post_title,price'; return $defaults; }, 10, 1);
$this->setting_key – can be string value, for example ‘my_new_option_1‘, see hook woot_extend_settings.