[Skip to main content](#vessel-content) # Pre-Requisites? ## - **[G2Pyramind](/forum/user/11387-g2pyramind "View G2Pyramind's Profile")** - [![G2Pyramind's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/11387-g2pyramind "View G2Pyramind's Profile") Topic Author - [ Offline](/forum/user/11387-g2pyramind) Less More - Posts: 2 - Thank you received: 0 - - 13 years 9 months ago [\#85888](#85888) by [G2Pyramind](/forum/user/11387-g2pyramind "View G2Pyramind's Profile") *[Pre-Requisites?](/forum/4-how-to/77508-pre-requisites#85888 "Hi there, I've looked and haven't found how to do this... For this website, we would like to have a standard Hikashop feature or one accessible via a plugin NOT via editing of Views [we want to avoid this at all costs so that we can upgrade the site as new version of Hikashop come out in the easiest way possible] which does this: We sell courses/lessons/classes - for that we need to be able to have a - you can buy this class ONLY if you have already bought this class. [otherwise known as a pre-requisite]. Ideally this functionality would be at the product page level in a similar way as Related Products. [possible terminology of this feature: Pre-Requisite or Required product] Let me know, Thanks, Emmanuel.")* was created by *[G2Pyramind](/forum/user/11387-g2pyramind "View G2Pyramind's Profile")* Hi there, I've looked and haven't found how to do this... For this website, we would like to have a standard Hikashop feature or one accessible via a plugin NOT via editing of Views [we want to avoid this at all costs so that we can upgrade the site as new version of Hikashop come out in the easiest way possible] which does this: We sell courses/lessons/classes - for that we need to be able to have a - you can buy this class ONLY if you have already bought this class. [otherwise known as a pre-requisite]. Ideally this functionality would be at the product page level in a similar way as Related Products. [possible terminology of this feature: Pre-Requisite or Required product] Let me know, Thanks, Emmanuel. Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzQtaG93LXRvLzc3NTA4LXByZS1yZXF1aXNpdGVzP3RtcGw9bWFya2Rvd24=) or [Create an account](/register) to join the conversation. - **[Jerome](/forum/user/80-jerome "View Jerome's Profile")** - [![Jerome's Avatar](https://www.hikashop.com/media/kunena/avatars/resized/size144/users/avatar80.png)](/forum/user/80-jerome "View Jerome's Profile") - [ Offline](/forum/user/80-jerome) - HikaShop core developer Less More - Posts: 26394 - Thank you received: 4078 - - [](http://obsi.dev) - 13 years 9 months ago [\#85909](#85909) by [Jerome](/forum/user/80-jerome "View Jerome's Profile") Replied by *[Jerome](/forum/user/80-jerome "View Jerome's Profile")* on topic *[Pre-Requisites?](/forum/4-how-to/77508-pre-requisites#85909 "Hi there, I've looked and haven't found how to do this... For this website, we would like to have a standard Hikashop feature or one accessible via a plugin NOT via editing of Views [we want to avoid this at all costs so that we can upgrade the site as new version of Hikashop come out in the easiest way possible] which does this: We sell courses/lessons/classes - for that we need to be able to have a - you can buy this class ONLY if you have already bought this class. [otherwise known as a pre-requisite]. Ideally this functionality would be at the product page level in a similar way as Related Products. [possible terminology of this feature: Pre-Requisite or Required product] Let me know, Thanks, Emmanuel.")* Hi, You can use ACL access (on product or on price) and the "Group after purchase" plugin. Regards, --- Jerome - Obsidev.com HikaMarket & HikaSerial developer / HikaShop core dev team. Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzQtaG93LXRvLzc3NTA4LXByZS1yZXF1aXNpdGVzP3RtcGw9bWFya2Rvd24=) or [Create an account](/register) to join the conversation. Board Categories HikaShop Install & Update Product & Category Display Content Creation Sales and Orders Orders management Reports & Statistics Customers Checkout Payment Methods Shipping Methods Import & Export (CSV, XLS…) Specific Features Affilation Taxes Wishlist Vote Carousel & Slider Mass Actions Filters & Search Discount & Coupon Feature Request Integrations Showcase General Talk about HikaShop Development HikaShop 3.0 Beta Translation Commercial Jobs HikaShop Components HikaMarket Market: Feature requests Market: How to? Market: Bug Report HikaSerial General talk about HikaSerial Serial: Bug Report Serial: How to? Support en Français de HikaSerial (French Support) HikaSubscription HikaAuction Auction: Feature requests Auction: How to? 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