add a new product.

retrive all cashiers.

create a new cashier.

delete a cashier.

remove a payment.

delete a product.

download your order.

retrieve all orders.

retrieve all payments.

get all the products available.

get info about a particular cashier.

get data regarding a particular product.

creating a new order.

new payment.

retrieve data about a particular order.

retrieve details about a specific payment.

calculating the total order.

edit data of a cashier.

update data about a specific payment.

edit data of a product.