Example of how to include Private events on the calendar if the current user has the ee_read_private_events cap

tw_ee_add_private_events_to_cal_with_cap_check.php

<?php //Please do not include the opening PHP tag if you already have one

add_filter( 'AFEE__EED_Espresso_Calendar__get_calendar_events__public_event_stati', 'tw_ee_add_private_events_to_cal_with_cap_check', 10, 1);
function tw_ee_add_private_events_to_cal_with_cap_check($public_event_stati) {
	// Add private events if the current user can view them.
	if (EE_Registry::instance()->CAP->current_user_can('ee_read_private_events', 'get_events')) {
		$public_event_stati[] = EEM_Event::post_status_private;
	}
	
	return $public_event_stati;
}