In order to create a "Greeting" push notification, you can:
1. Click on "Settings" in the side-navigation bar.
2. Select "Notifications"
3. Once done, click on the "App Notifications" option as shown.
4. Click on the "Add Notification" button.
5. Here, select the "Greetings" option from the drop-down.
6. Enter the "Title" from here.
7. Choose the "Course" from here.
8. Add the text under the "Body"
9. Add an image from here. (Optional)
10. Enter the "Schedule Date" from here.
11. Save once done.