If you want to inform other parties about supporting documents you added to the invoice and, for example, whether the documents need to be reviewed or signed, you can notify them from the invoice card and add a message.

In order to send a message as a seller, do the following:

1. Log in to the platform with the seller account.
   
2. Go to the Dashboard page.
   
3. Click the invoice number to open the invoice card:
   
4. Click the Upload button in the Supporting documents section of the invoice card.
   
5. If you need to upload supporting documents first, follow the Managing Supporting Documents as a Seller.
   
6. In the opened window click the Notify button at the bottom:
   
   
7. The Send a message window opens.
   
   Enter the following information:
   
1. Recipients - counterparties that will receive the notification.
   
2. Subject - the subject of the message.
   
3. Message - the message itself.
   
4. Supporting documents - the documents that will be attached to the notification.
   
8. Click Send to send the message.