Create a notification

From your Studio, go to App > Notifications and click Add a new notification on the right column.

Give your notification a Title and Abstract, then write the Content.
For the notification's layout, you can use the tools in the text block.

To insert an image in a notification: you have to go through a site like Websemantics.uk  to convert your image as an URL. Once you have the url, go back to your administration interface and click on the image icon, in the notification block. Insert the url of the image into the URL field.
Thank to this manipulation, your images will be available offline.
Be careful to put only small images (about 200px and not too heavy).  

You can schedule the notification's publication by entering a date in the Publication field. Same to unpublish the notification, just enter a date in the field Unpublication.  

Tip: If you want to prepare your notification and publish it later, such as a draft, write your notification and add a publication date such as a year later. 

Don't forget to select Groups or/and Users so your notification will be visible to users.  

Find more notifications' articles here.