将属性从父控制器传递到Kohana 3中的子控制器

I am using Kohana 3 and using a middle controller named controller_Facebook that is extended from Controller_Template and then extending Controller_Home from Controller_Facebook. I am setting two properties in Controller_Facebook and trying to use them in Controller_Home but it not available there. It gives null value. My code is similar to following:I am using Kohana 3 and using a middle controll