We need to be able to add method that will execute on demand. We want to be able to code and run a method on a class without having to promote the code. We have to create a rule enging that can run certain checks , but we need to be able to add it on-dement to clients live without the need for code promotion. User should be able to add this to their system without jade expertise. Similar to the concept to dynamic property, but with dynamic method.