Web Dashboard: Adding a Class to an Invoice 1. From your computer, log into the InvoiceASAP Web Dashboard. 2. Click on Invoices on the left navigation. 3. Click on New Invoice (or New Estimate) at the top of the screen or the edit icon next to an existing document. 4. Click on the drop down box for Classes. 5. Select the class you want. 7. Save the invoice. Have more questions? Submit a request 0 Comments Please sign in to leave a comment.