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
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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.
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5. After updating the details save it by clicking on the TICK MARK option on the top right corner.