thank you very much this is what I needed!Built-in live chat, contact form, and ticketing system (helpdesk) module for PrestaShop, self-managed, free forever! 3-in-1 complete customer support channel to communicate with online customers easily and boost sales.
https://addons.prestashop.com/en/referral-loyalty-programs/43119-loyalty-referral-affiliate-program-reward-points.html