xamarin.ios - How a platform specific subscribes to an event in a PCL ViewModel -

i using mvvmcross + pcl , need fire event on viewmodel in pcl. need plafotm specific ios viewcontroller listem event.

how can accoumplish that?

thank you,

why not create regular c# event?

in viewmodel:

public event eventhandler something; 

in view/viewcontroller/page:

viewmodel.something += (s, e) => console.writeline("something!");