Outputs an Additional Field from The Events Calendar PRO by label name and event ID

single-event.php

<?php

/**
  * From https://gist.github.com/cliffordp/4912b6e0e5ffc67e312264336f1218b8
  * 
  * Outputs an Additional Field from The Events Calendar PRO by label name and event ID
  * 
  */

$event_id = get_the_ID(); // https://developer.wordpress.org/reference/functions/get_the_ID/

$field_label = "Instructor Name"; // change to the Field Label you want to get

if ( ! empty( $event_id ) && method_exists( 'Tribe__Events__Pro__Custom_Meta', 'get_custom_field_by_label' ) ) {
	
	$field_value = Tribe__Events__Pro__Custom_Meta::get_custom_field_by_label( $field_label, $event_id );
	
	if ( is_string( $field_value ) && '' != $field_value ) { // have not tested if we need to also allow integer, float, or other !is_array() values
		printf( '<div class="tribe-events-custom%s"><strong>%s:</strong> %s</div>',
			sanitize_html_class( '-' . $field_label ), // https://developer.wordpress.org/reference/functions/sanitize_html_class/
			$field_label,
			$field_value
		);
	}
}