How to do a basic billing in Caddayn Biller

Login → Sales Menu → Point of Sale → Name/code Product → Add to Cart → Update Quantity → Apply Discount → Select Payment Method → Confirm Payment → Generate Invoice → Complete Sale


  • POS (point of sale ) billing


The POS (point of sale ) Billing module helps businesses manage sales and billing activities efficiently. Users can access the Sales Menu and add products to the Cart by scanning barcodes or searching for products manually. The selected products, quantities, prices, discounts, and applicable taxes are displayed in the cart, while the system automatically calculates the final payable amount.

After reviewing the cart, the user can select the payment method and generate the invoice to complete the sale. The module also allows users to access Sales History and process product returns when required. Returned products and transaction details are updated accordingly.


  • Name/code Product


The Name/code Product feature allows users to quickly add products to the POS cart. Users can either search and select a product manually from the product list or scan its barcode to automatically retrieve the product details, such as name, price, and available stock.

This feature speeds up the billing process, reduces manual data entry, and helps ensure accurate product selection.




  • Add to Cart


The Add to Cart feature allows users to add selected products to the billing cart before completing a sale. Once a product is selected or scanned, it is added to the cart along with its name, price, and quantity.

Users can review the added items, increase or decrease quantities, remove products, and check the total amount before proceeding to payment.

This feature helps users manage selected products easily and ensures that the bill is accurate before the transaction is completed.




  • Update Quantity


The Update Quantity feature allows users to modify the quantity of a product added to the cart. Users can increase or decrease the quantity based on the customer's requirements, and the system automatically updates the product subtotal and overall cart total.

This feature ensures accurate billing, reduces manual calculations, and makes it easy to manage multiple quantities during a sale.


  • Apply Discount


The Apply Discount feature allows users to provide discounts on selected products or the overall bill. Users can enter the applicable discount amount or percentage, and the system automatically updates the total payable amount.

This feature makes it easier to manage promotional offers, provides accurate discount calculations, and ensures the final invoice reflects the correct discounted price.




  • Select Payment Method


The Select Payment Method feature allows users to choose the customer's preferred payment option when completing a sale. The system can support available methods such as cash, card, UPI, or other configured payment options.

Once the payment method is selected and the payment is confirmed, the transaction can proceed to invoice generation.

This feature simplifies payment processing, ensures accurate transaction records, and provides a smooth checkout experience for customers.


  • Generate Invoice


The Generate Invoice feature creates a detailed invoice after the payment has been successfully confirmed. The invoice includes important transaction details such as customer information, purchased products, quantities, prices, discounts, taxes, payment method, and final amount.

The generated invoice can be printed or shared with the customer for record-keeping and reference.

This feature provides accurate transaction documentation, simplifies record management, and completes the billing process efficiently.