A Configure to Order (CTO) model is a type of configurator model that enables you to create customized products based on customer specifications. A CTO model allows you to define features and options that the customer can select, and apply rules and constraints to ensure the validity and feasibility of the configuration.
A CTO model also supports the inclusion of user manuals and other documentation as part of the configuration1. You need to create a CTO model to fulfill the requirement of selling engines that are preconfigured by engineering, based on the customer location, and include a user manual specific to the customer's language.
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Overview of Configure-to-Order

A shipment comprises a set of shipment lines, grouped by certain common shipping attributes, that are scheduled to be shipped to a customer's ship-to location on a specific date and time. You can include items from different sales orders in a shipment. You can either manually or automatically group shipment lines to create a shipment. The shipment lines are grouped by the mandatory default criteria: ship-from location and ship-to location. However, you may also include additional grouping criteria, such as customer, freight terms, FOB (Free on board), and shipping method.