add section map title

action.php

function add_custom_button($section_id){
    if ( $section_id == 'map') {

    ?>
    <div class="section-title-area">
        <h2 class="section-title">Your title here</h2>
    </div>

    <?php }
}
add_action( 'onepress_section_before_inner', 'add_custom_button'  );