This documentation is not using the current rendering mechanism and is probably outdated. The extension maintainer should switch to the new system. Details on how to use the rendering mechanism can be found here.
- Are there any undocumented features?
- Is there any source for additional information or snippets?
- Which requirements should my extensions meet to make it work with wt_cart?
- How can I add products to wt_cart without having a product extension?
- How can I append an order form to my website?
- How can I use tt_news together with wt_cart?
- How can I display additional product data in wt_cart?
- Which markers are available?