wp-config-constants.php

<?php
/**
 * Description: Set up config constants.
 * Author: Rick Peterman
 *
 * @package tw
 */

/**
 * Name of server platform. Used to load config files specific to that platform.
 */
define( 'SERVER_PLATFORM_NAME', 'pantheon' );

/**
 * Name of the environment variable that acts as a flag for the platform server.
 */
define( 'SERVER_PLATFORM_ENVIRONMENT_VARIABLE_NAME', 'PANTHEON_ENVIRONMENT' );