In Today's check-ins, the invoices are usually automatically generated for you.
If in the rare case it did not successfully generate the invoice, do not worry. You can still manually generated an invoice.
1. Click on the Plus button to add an invoice
ProTip: Instead of click on the plus button, you can go directly to 'Add an invoice', and add purchases there.
2. Simply complete the invoice as needed
The pet will be automatically filled for you. Choose the desired service and package and close the invoice as normal.