Sonetel Chat App - Wordpress Install

functions.php

/** Sonetel Chat-App - Add this snippet your theme functions.php file **/
add_action('wp_footer', 'wp_hook_javascript_footer_sonetel');
function wp_hook_javascript_footer_sonetel() {
    ?>	
    	<!-- REPLACE <script> with code from "Install using Javascript snippet" -->
	<script async id="slcLiveChat" src="https://widget.sonetel.com/SonetelWidget.min.js" data-account-id="#"></script>
    <?php
}