job_bm_settings_tabs

add_filter('job_bm_settings_tabs', 'job_bm_settings_tabs_30072019');
function job_bm_settings_tabs_30072019($tabs){

    $tabs['custom'] =array(
        'title'=>__('Custom', 'job-board-manager'),
    );

    return $tabs;
}

add_action( 'job_bm_settings_tabs_content_custom', 'job_bm_settings_tabs_content_custom_29072019', 5 );
if ( ! function_exists( 'job_bm_settings_tabs_content_custom_29072019' ) ) {
    function job_bm_settings_tabs_content_custom_29072019(){
        ?> <pre>Content custom tabs</pre>
        <?php
    }
}