logrocket-wp-admin.php

<?php

/**
 * Plugin Name: admin tracker
 * Plugin URI:  https://wp-kyoto.net
 * Description: tracker
 * Version:     0.0.1
 * Author:      Hidetaka Okamoto
 * Author URI:  https://wp-kyoto.net
 * License:     GPLv2+
 *
 * @since   0.0.1
 */

function insert_logrocket_script() {
    wp_enqueue_script( 'logRocket', 'https://cdn.logrocket.com/LogRocket.min.js', array(), '1.0.0' );
}
add_action( 'admin_enqueue_scripts', 'insert_logrocket_script' );

function insert_logrocket_code() {
?>
<!-- [Logrocket code] -->
<script>window.LogRocket && window.LogRocket.init('PJID/PROJECT_NAME');</script>
<!-- [/Logrocket code] -->
    <?php
}
add_action('admin_head', 'insert_logrocket_code');