If you want to show a bar on the home page only, then leave the field blank like below.
If you want to show a bar on a specific page of your site, enter only the page name you wish to show the bar on. You can add as many pages as you want by clicking the + Add page button.
To add a bar to every page on your website, you can use the asterisk/star symbol, '*' only.
If you want to add a bar to a parent page and it's children (sub-pages) simply enter the page name, followed by the asterisk symbol. '*'
The example below would put the bar on the services page and any sub-pages under it.
If you have used the asterisk/star '*' to show the bar on all pages or sub-pages. You can use the exclamation symbol '!' to exclude a specific page.
Add the '!' symbol before the page name to exclude it like below.