We will learn about the dynamic type in C# tutorial.dynamic keyword is introduced in C# 4.0 and dynamic type assign at the run time when project is in the running mode. So watch the full video and learn what is dynamic type and how to use dynamic type in c# with the suitable example. C# 4 introduces a new type, dynamic . The type is a static type, but an object of type dynamic bypasses static type checking. In most cases, it functions like it has type object . At compile time, an element that is typed as dynamic is assumed to support any operation.