# Developer documentation

### Hooks

`do_action('hurrytimer_init');` 

Fires after HurryTimer has finished loading .

`do_action( "hurryt{campaign_id}_campaign_ended", HurryTimer\Campaign $campaign);`Fires after one-time or recurring timer has reached zero.

**$campaign:** The (HurryTimer\Campaign) instance

`apply_filters('hurryt_show_campaign', bool $can_show);`

Filters whether to show the campaign.

**$can\_show**: (bool) Whether the campaign should be shown.

`apply_filters('sticky_bar_hide_timeout', int $delay);`

Filters how long to wait before reopening a dismissed sticky bar.

**$delay**: (int) Number of days. Default 7.

### Javascript Events

`hurryt:finished`**:** Fires after timer has reached zero.

Example:

```javascript
$('.hurrytimer-campaign').on('hurryt:finished', function(event, campaign){
 // campaign.id: the campaign ID
 // campaign.mode: one_time, recurring, or evergreen.
});
```