Example of how to display custom meta values just below the datetime list. 'testing_meta' will need to be the meta key you want to pull for the event.

functions.php

<?php
//Example of how to display custom event meta just after the Datetime List section, 
//this will be diplsayed on both the single event and event list sections.

function ee_event_meta_after_datetime_list( $post ) {
	$event = EEM_Event::instance()->get_one_by_ID( $post->ID );
	
	$event_meta = $event->get_post_meta( 'testing_meta' , true );	

	echo $event_meta;
}
add_action( 'AHEE_event_details_after_event_date', 'ee_event_meta_after_datetime_list' );