get_help_sidebar example

if ( $old_help ) {
            $this->add_help_tab(
                array(
                    'id'      => 'old-contextual-help',
                    'title'   => __( 'Overview' ),
                    'content' => $old_help,
                )
            );
        }

        $help_sidebar = $this->get_help_sidebar();

        $help_class = 'hidden';
        if ( ! $help_sidebar ) {
            $help_class .= ' no-sidebar';
        }

        // Time to render!         ?> <div id="screen-meta" class="metabox-prefs"> <div id="contextual-help-wrap" class="<?php echo esc_attr( $help_class ); ?>" tabindex="-1" aria-label="<?php esc_attr_e( 'Contextual Help Tab' ); ?>"> <div id="contextual-help-back"></div> <div id="contextual-help-columns"> <div class="contextual-help-tabs"> <ul>