<?php
/**
 * Customizing messages.
 *
 * @param $message
 * @param $user_first_name
 * @param $theme_title
 * @param $user_login
 * @param $site_link
 * @param $freemius_link
 *
 * @return string
 */
function mh_fs_custom_connect_message_on_update( $message,$user_first_name,	$theme_title, $user_login, $site_link, $freemius_link ) {

	return sprintf(
		__( 'Hey %1$s' ) . ',<br>' .
		__( 'Please help us improve %2$s! If you opt-in, some data about your usage of %2$s will be sent to %5$s. If you skip this, that\'s okay! %2$s will still work just fine.', 'mh-magazine' ),
		$user_first_name,
		'<b>' . $theme_title . '</b>',
		'<b>' . $user_login . '</b>',
		$site_link,
		$freemius_link
	);
}
mh_fs()->add_filter('connect_message_on_update', 'mh_fs_custom_connect_message_on_update', 10, 6);

/**
 * Set custom icon.
 *
 * @return string
 */
function mh_fs_custom_icon() {
	return dirname( __FILE__ ) . '/local/path/to/your/icon.{png|jpg|gif|svg}';
}
//my_fs()->add_filter( 'plugin_icon' , 'my_fs_custom_icon' );