do_action('hurrytimer_init');
do_action( "hurryt{campaign_id}_campaign_ended", HurryTimer\Campaign $campaign);
Fires after one-time or recurring timer has reached zero.apply_filters('hurryt_show_campaign', bool $can_show);
apply_filters('sticky_bar_hide_timeout', int $delay);
hurryt:finished
: Fires after timer has reached zero.