Retail POS - Discounts with Discount Bar Code are applied to Return product transactions on POS automatically (without scanning discount bar code)

Point of Sale — Odoo 17.0 documentation

Making Sales (POS)

POS-Point of Sale With Barcode - Apps on Google Play

Discounts Lightspeed S-Series Support

AX 2012 R2 for Retail - Setting up discount coupons with bar codes for scanning into POS - Microsoft Dynamics 365 Blog

Solved Most grocery stores use bar code scanning

How to Create and Use Barcodes for Inventory Management

ALL-IN-ONE POS TERMINAL– Designed for efficient, quick, user-friendly in-store transactions, the compact device is protected by a white handheld case

POS Go with Case - Mobile Point of Sale Machine Plus Protective Cover for Retail, Small Business - All-in-One Credit Card Reader, Terminal, Barcode

Discounts Lightspeed S-Series Support

Wix Retail POS: Making a Sale, Help Center

Applying discounts to sales – Lightspeed Retail (X-Series)