Sample Posts 2 Posts + The Event Calendar connections

connections.php

<?php
/*
Plugin Name: Connections
*/


function clock_p2p_register_connections() {

	p2p_register_connection_type( array(
		'name' => 'posts_to_tribe_events',
		'from' => 'post',
		'to' => 'tribe_events',
		'title' => array(
		    'from' => __( 'Related Events' ),
		    'to' => __( 'Related Posts' )
		  )
	) );

	p2p_register_connection_type( array(
		'name' => 'tribe_events_to_tribe_events',
		'from' => 'tribe_events',
		'to' => 'tribe_events',
		'reciprocal' => true,
		'title' => array(
		    'from' => __( 'Related Events' ),
		    'to' => __( 'Related Events' )
		  )
	) );

}
add_action( 'p2p_init', 'clock_p2p_register_connections' );