proper way of adding input fields to fiori report list

Hi,

What is the reccomended way of adding an input field with value help to the smart filter bar in freestyle report list fiori app?
Is this It?
https://sapui5.hana.ondemand.com/sdk/#/topic/3a515829ffd74239878ebc0d453d001d

To be more precise, my app is made up of a report list and gets data from an external odata source.
Im adding the fields in the xml view file.

Thanks in advance.