How to share by email a task like the iphone app

Hi there
I would like to ask how to share a task like I can do in my iphone
What I mean share is that I want just to sent to someone a task that I create and not that they have to work on it Just to inform them
I am doing that all the time with my iphone but cannot with mac


Maybe I was not clear, from my iphone I can do it and I do it all th etime
The thing is I need to do it from my Mac Omnifocus 2