PWA development using Wordpress implementing Local Pushnotification,SMS,Email

Do you know Progressive Web Development? I have a PWA app to be done in Wordpress. The design is very simple. You can program that can be linked to your email account, texts, or personal calendar or to alert others. Schedule time to send notification or alert. When it's time, the app sends notification or alert to your personal email, SMS, or calendars. Finally it must be progress web app - PWA. Please read my job post very carefully. If you disappoint me in what you understood about my project, you will be eliminated right away.