tribe_get_event_cat_slugs
Plugin: The Events Calendar
Filter Hook: Returns an empty array on events that aren’t assigned to any category or when $terms generates an error.
JSON_LD::modify_event()
Plugin: The Events Calendar
Method: Modifiers to the JSON LD event object.
Namespace:
Tribe\Events\Event_Status
tribe_get_event_cat_ids()
Plugin: The Events Calendar
Function: Returns an array terms `term_id` from the taxonomy `tribe_cat` for a given event.