ET > Custom additional fields for RSVPs and tickets, and adding them to the email - for the new ticket emails

custom-ticket-additional-fields.php

<?php
/**
 * Add additional fields for Tickets (extension needed!) and add that information to the
 * ticket email.
 *
 * Requirements:
 * - Event Tickets
 *   - New ticket emails - https://theeventscalendar.com/knowledgebase/event-tickets-emails/
 * - Event Tickets Additional Fields extension - https://theeventscalendar.com/extensions/additional-fields-for-tickets/
 *   - Sample code included below. Customize based on your needs.
 * - Template override, see additional file
 *
 * Usage:
 * - Add the snippet to your functions.php file or with a plugin like Code Snippets.
 * - Add the tickets.php file to wp-content/themes/[your-theme]/tribe/tickets/emails/template-parts/body/tickets.php
 *
 * @author Andras Guseo
 *
 * Plugins required: Event Tickets, Event Tickets Additional Fields extension
 * Created: March 6, 2024
 * Last updated: March 7, 2024
 */

/**
 * Add custom fields to tickets.
 * @link https://theeventscalendar.com/extensions/additional-fields-for-tickets/
 */
function custom_tickets_additional_fields( $ticket_fields ) {

	$ticket_fields['zoom_link'] = [
		'type'        => 'url',
		'label'       => esc_html__( 'Zoom link' ),
		'description' => esc_html__( 'Insert the Zoom link.' ),
	];

	$ticket_fields['youtube_embed'] = [
		'type'        => 'textarea',
		'label'       => esc_html__( 'YouTube embed' ),
		'description' => esc_html__( 'Embed code of recorded webinar.' ),
	];

	return $ticket_fields;
}

add_filter( 'tribe_ext_tickets_additional_fields', 'custom_tickets_additional_fields' );

tickets.php

<?php
/**
 * Event Tickets Emails: Main template > Body > Tickets.
 *
 * This is a template override for the following file:
 * wp-content/plugins/event-tickets/src/views/emails/template-parts/body/tickets.php
 *
 * This file should be placed at:
 * wp-content/themes/[your-theme]/tribe/tickets/emails/template-parts/body/tickets.php
 *
 * See more documentation about our views templating system.
 *
 * @link https://evnt.is/tickets-emails-tpl Help article for Tickets Emails template files.
 * If you are looking for Event related templates, see in The Events Calendar plugin.
 *
 * @version 5.5.9
 *
 * @since 5.5.9
 *
 * @var Tribe__Template                    $this             Current template object.
 * @var \TEC\Tickets\Emails\Email_Abstract $email            The email object.
 * @var bool                               $preview          Whether the email is in preview mode or not.
 * @var bool                               $is_tec_active    Whether `The Events Calendar` is active or not.
 * @var array                              $tickets          The list of tickets.
 * @var WP_Post|null                       $event The event post object with properties added by the `tribe_get_event` function.
 *
 * @see tribe_get_event() For the format of the event object.
 */

if ( empty( $tickets ) ) {
	return;
}
$i = 0;

$this->template( 'template-parts/body/tickets-total' );

?>
<tr>
	<td style="padding:0;">
		<table class="tec-tickets__email-table-content-tickets" role="presentation">
		<?php foreach ( $tickets as $ticket ) : ?>
			<?php $i++; ?>
			<tr>
				<td class="tec-tickets__email-table-content-ticket">
					<table class="tec-tickets__email-table-content-ticket-table">
						<tr>
							<?php $this->template( 'template-parts/body/ticket/holder-name', [ 'ticket' => $ticket ] ); ?>
							<?php $this->template( 'template-parts/body/ticket/ticket-name', [ 'ticket' => $ticket ] ); ?>
						</tr>
						<tr>
							<?php $this->template( 'template-parts/body/ticket/security-code', [ 'ticket' => $ticket ] ); ?>
						</tr>
					</table>
					<?php $this->template( 'template-parts/body/ticket/number-from-total', [ 'i' => $i ] ); ?>
				</td>
			</tr>
			<!-- START: TICKET CUSTOM FIELDS -->
			<?php if ( function_exists( 'tribe_ext_tickets_additional_fields_get_meta' ) ) : ?>
			<tr>
				<td>
					<h6 style="margin:0 0 4px 0; text-transform:uppercase; font-size:14px;"><?php esc_html_e( 'Zoom Link' ); ?></h6>
					<a href="<?php echo esc_url( tribe_ext_tickets_additional_fields_get_meta( $ticket['product_id'], 'zoom_link' ) ); ?>"><?php echo esc_html( tribe_ext_tickets_additional_fields_get_meta( $ticket['product_id'], 'zoom_link' ) ); ?></a>
				</td>
			</tr>
			<tr>
				<td>
					<h6 style="margin:0 0 4px 0; text-transform:uppercase; font-size:14px;"><?php esc_html_e( 'YouTube Embed' ); ?></h6>
					<?php echo esc_html( tribe_ext_tickets_additional_fields_get_meta( $ticket['product_id'], 'youtube_embed' ) ); ?>
				</td>
			</tr>
			<?php endif; ?>
			<!-- END: TICKET CUSTOM FIELDS -->
		<?php endforeach; ?>
		</table>
	</td>
</tr>