You will get a receipt by email.
It’s also possible to get an overview of your purchases in the Lix app:
Go to Settings, either from the Lix app or from Lix.com. When you are logged in on the website, you profile will appear in the header.
Click on the drop down menu > Order overview:
In the app, Profile settings are accessed from the front page, in the drop-down in the upper right corner. From Profile Settings, you can toggle to Order Overview.