Share 'Shared Poperty in My gh component'

Hi,David. I Created a Shared Poperty in gh component. And a input param is set by this poperty. Now I want get a function that If I change this param, All the instance of this component  in current gh canvas changed it's Param in real-time. How can I get this effect? Thank you! See pic below, If I change one of P param, Everyother P of this comonpent changed by same input. P is Param_Integer.