To create push notification campaigns you have to set message elements including custom icon, image, and set title, description and target click link. You can also set showing explore and close buttons and set its text.
You can select predefined segment to send the campaign to, based on your websites' users country, browser, language and last session.
You can see the preview of the push notification which will be sent to your website's users once the campaign starts.
You can set when to start sending the campaign and use optimizing option to be used while sending the campaign.
Example for a push notification sent to push users.