Adding an user defined object to Mat Object

Anyone knows or have some sample code where a user defined object ( for example of a class myClassX) can be added to a mat Object. Example Something like this -> But definitely the below program is not compiling. is there any way to store user defined objects in Mat Object? ----------------------- MyClass m[2][2]; Mat M(2, 2, MyClass, m); MyClass Obj; MyClassObj.at(0, 1) = Obj;