mypmpro-override-specific-map-starting-point.php

<?php
/**
 * This recipe will override the default start location of a specific map.
 * By default, we'll use the first marker on the map's location as the starting point
 *
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */

//Override the homepage-map and use the coordinates set out in mypmromm_override_default_map_start
function mypmpromm_override_first_marker( $override, $ID ){

	if( $ID == "homepage-map" ){
		$override = true;
	}

	return $override;

}
add_filter( 'pmpromm_override_first_marker', 'mypmpromm_override_first_marker', 10, 2 );

//Using specific URLs
function mypmromm_override_default_map_start( $coordinates, $map_id ){

	$coordinates = array(
		'lat' 	=> -34.397,
		'lng' 	=> 150.644
	);  
	
	return $coordinates;
 
}
add_filter( 'pmpromm_default_map_start', 'mypmromm_override_default_map_start', 10, 2 );