To be able to add a new employee on Paymash, you need to have admin rights.
Log in to app.paymash.com and go to "Employees". Click on the blue plus sign in the top right corner. Enter first name and optionally last name. Upload a picture of the employee, this will provide a convenient login screen on the POS.
Determine which rights your employee should have.
Finally click on "Save".
Learn more: Granting access rights to employees