Shortcode to display Attendees List for a given Event ID. Example: [tribe_get_event_attendees event_id=11]. Screenshot: https://cl.ly/0L2m140l153A

functions.php

<?php

/*
 * By Nico and Cliff
 * From https://gist.github.com/cliffordp/65ec638e8ef30f28dff8fbfdb7a114f7
 * 
 * Shortcode to display Attendees List for a given Event ID
 * Example: [tribe_get_event_attendees event_id=11]
 * Screenshot: https://cl.ly/0L2m140l153A
 */
function tribe_get_event_attendees_logic ( $atts ) {
	
	if ( ! class_exists( 'Tribe__Tickets__Tickets' ) || ! isset( $atts['event_id'] ) ) {
		return false;
	}
	
	$defaults = array(
		'event_id' => 0,
	);
	
	$atts = shortcode_atts( $defaults, $atts, 'tribe_get_event_attendees' );
	
	$event_id = intval( $atts['event_id'] );
	
	if ( empty( $event_id ) ) {
		return false;
	}
	
	$attendees = Tribe__Tickets__Tickets::get_event_attendees( $event_id );
	
	$output = '';
	
	if( ! empty( $attendees ) ) {

		$output .= '<h4>Attendees List: ' . get_the_title( $event_id ) . '</h4>';
		$output .= '<ul>';

		foreach ( $attendees as $attendee ) {
			$output .= '<li>'. $attendee['purchaser_name'] .' (' . $attendee['purchaser_email'] . ')</li>';
		}

		$output .= '</ul>';

	} else {
		$output .= '<p>There are no attendees for this event yet.</p>';
	}
	
	return $output;
}
add_shortcode( 'tribe_get_event_attendees', 'tribe_get_event_attendees_logic' );