Cross selling app with metafields support

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Hello,

Does anyone knows an app which support metafields ?

What I need :

- For a specific product A
- I want to display, at att to cart popup, proposal with products B + C + D

- Proposals will change for each products

- I am using import product creation

- I would import SKUs of cross selled product using metafields (not possible to manage manually)

Thanks,