All of the functionality of the TMCore implementation of NPCL is contained in a single namespace, NetworkedPlanet.Npcl and the entire implementation is contained in the assembly NetworkedPlanet.Npcl.dll. The HTML Help file for the TMCore API contains a detailed description of every public interface, class and method in this namespace. This chapter deals with the general principals of the API and gives some short code examples of using the API.