If you want to use Messenger chat bubble in your shop - you need to whitelist your shop's domain in your fanpage settings (on fanpage).

Control which shipping carriers customers see at checkout. Shipping Method Rules is a PrestaShop pol...
129.00 €

Charge handling, service or packaging fees only when your rules match. Conditional Order Fees adds a...
129.00 €

Apply conditional order discounts using native cart rules. Create BOGO deals, buy N get M free, spen...
149.00 €

Sell optional checkout services your customers choose: gift wrapping, shipping insurance, express ha...
149.00 €