# Complementary product offer

## Use case description

🎯 Goal:

Promote complementary products with an offer and boost the revenue.

Email customers who viewed a specific product and offer them a discount on a complementary product (example: buy a projector and get a discount on a projector screen).

🔧 Complexity: 2/5

💰 ROI: High

## Use case setup

Step 1: create a segment ‘viewed product X’ or ‘viewed product category X’ and no order

Step 2: create a stream to send users in segment previously created to an emailing solution


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