Add SalesKing Page

// To add a full page with content:
add_action('salesking_extend_menu', function(){
    ?>
    <li class="nk-menu-item">
        <a href="<?php echo esc_attr(get_page_link(apply_filters( 'wpml_object_id', get_option( 'salesking_agents_page_setting', 'disabled' ), 'post' , true))).'newpage1';?>" class="nk-menu-link">
            <span class="nk-menu-icon"><em class="icon ni ni-wallet-out"></em></span>
            <span class="nk-menu-text"><?php esc_html_e('New Page', 'salesking');?></span>
        </a>
    </li>
    <?php
}, 100);
add_action('salesking_extend_page', function($page){
    if ($page === 'newpage1'){
        ?>
        <div class="nk-content salesking_earnings_page">
            <div class="container-fluid">
                <div class="nk-content-inner">
                    <div class="nk-content-body">
                    New page content
                </div>
            </div>
        </div>
        <?php
    }
}, 10, 1);
?>
</div>