The coupon proposal Magento 2 feature in Cart2Quote lets your sales team apply a Magento discount coupon directly to a quote proposal. Instead of adjusting individual product prices to reflect a discount, the admin applies a coupon code to the proposal as a whole. Cart2Quote calculates the discount automatically and includes it in the proposal total — giving the customer a transparent, itemised price breakdown.

When an admin prepares a proposal in the backend, they enter a valid Magento coupon code in the Quote Proposal section. Cart2Quote validates the coupon and applies the discount to the proposal total. The customer then sees the coupon discount as a separate line in their proposal breakdown — making it clear exactly how much they save.
The coupon must exist as a valid Magento discount rule before it applies to a quote. Therefore, your marketing team creates and manages coupons through the standard Magento promotions system, and your sales team applies them to individual proposals as needed.
B2B pricing is rarely one-dimensional. Sales teams use a combination of tools to reach an agreed price — custom line item discounts, shipping adjustments, and promotional coupons all play a role depending on the situation. The coupon proposal feature adds another pricing lever that works alongside existing negotiation tools rather than replacing them.
For example, a sales rep negotiates a deal with a long-standing customer during a promotional period. The customer qualifies for both a volume discount on individual products and a seasonal promotion coupon. The rep applies the volume discount at the line item level and the coupon at the proposal level. Consequently, the customer sees a complete, transparent breakdown showing both discounts clearly. In addition, the sales team does not need to manually calculate a combined discount — Cart2Quote handles the maths automatically.
Furthermore, applying a named coupon to a proposal gives the customer a sense of receiving a special, personalised offer — which strengthens the relationship and increases the likelihood of acceptance.
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Compare EditionsThese two features work on opposite sides of the coupon workflow. Understanding the difference helps you use both correctly.
Use both together for complete coupon control. Apply coupons deliberately through proposals, and prevent customers from adding further coupons on top during checkout.
This feature suits stores that run promotional campaigns alongside a B2B quotation workflow, or where sales teams use coupons as a closing tool in negotiations. It is particularly valuable during seasonal promotions where specific customer segments qualify for a discount that works best as a proposal-level coupon rather than individual price adjustments.
Combine this with Remove Coupon Field for Quotations to control the full coupon experience from proposal to checkout.
The coupon proposal feature in Magento 2 gives your sales team a flexible, transparent way to apply promotional discounts within a negotiated quote. Because Cart2Quote uses existing Magento coupon rules, there is no additional setup required — your team simply enters a coupon code in the proposal and Cart2Quote handles the rest. Use it alongside line item pricing and shipping adjustments for a complete, multi-layered B2B pricing toolkit.
Also read: Remove Coupon Field for Quote Orders in Magento 2
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