add custom section

custom section.php

function add_my_custom_section(){
    ?>
    <section id="my_section" class="my_section section-padding onepage-section">
        <div class="section-fullwidth">
            
            <div class="container">
                <div class="row">
                    <!-- Your section content here -->
                    
                </div>
            </div>

        </div>
    </section>
    <?php
}
add_action( 'onepress_after_section_about', 'add_my_custom_section'  );