Unable to pass title to header view when using opt out controller

msword

I built a controller outside of fuel, but I want to use the same header view, and I'm receiving . how can I set a variable to pass it a page title?

thanks

admin

What's the error message and what is the controller code? Also, you may want to checkout this page in the user guide:
http://www.getfuelcms.com/user_guide/general/creating-pages#controller