mypmpromd-override-geocoding-api-key.php

<?php
/**
 * Override the Geocoding API key to a private key. This helps if you want to restrict
 * usage of the Geocoding API key. This key is not public like the JS Map API Key.
 * 
 * To be used with Member Directory 2.1+
 *
 * 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/
 *
 */
function mypmpromd_override_geocoding_api_key( $key ){

	$key = "NEW_KEY_HERE";

	return $key;

}
add_filter( 'pmpromd_maps_geocoding_api_key', 'mypmpromd_override_geocoding_api_key', 10, 1 );