You can add a new customer on your My Takeaway app by the following:
1.Click on the dashboard and click on more options below
2. you will get an option CUSTOMER and click on VIEW DATABASE
3. Click on the (+) symbol on the right top corner
4. You will get an option for the GDPR Compliancy wherein you click on accept and go ahead adding the details of the customer.
5. After updating the details save it by clicking on the TICK MARK option on the top right corner.