re calling when something breaks, how upgrades are handled, and whether you s own extensibility framework rather than as a connected external service. Microsoft Why the Way Your eCommerce Add-On Connects to Business Central Changes EverythingMost eCommerce integrations for Business Central fall into one of two categories. The first sits between Business Central and your sales channel as a separate layer, pulling data from one system, translating it, and pushing it into the other. The second is built directly inside Business Central as a native extension, using the same object model, security framework, and data as everything else in your environment.