In Versa's Setup in Feature settings, you can automatically send emails to your customer when their order is Shipped in Versa.
To set this up, go to the Setup menu, then choose UI/Feature settings, sales order
On the setting page, click the box for "Auto Email shipment notice when Sales Order is Shipped"
Next go to the Setup menu, then choose UI/Feature settings, emailing
The last email shown is for Default Order Shipment Email Message.
You can customize what the email should say, and adding
Will add the tracking number and the details of the shipment. See below for example.