using Actions inside the input helper

Using the action helper works fine inside a DOM element:

<input value="123"

But then let's say you are using the input helper to generate your input field:

And you want to stick the very same action onto this input helper..

The docs say:

" To dispatch an action on specific events, such as enter or key-press, use the following

"

And yet..

This code does nothing:

I also tried this:

I'm slowly going insane. Can someone point me to the correct way of using actions inside the Ember input helper?

Thanks!