Facebook Native ad


I am unable to view facebook native ads when i am using blocks then screen automaticly closed.
please any one show me blocks of facebook native ads.
other facebook ads working fine like banner, intretitial, reward all this three ads working. also my app availble on playstore.

Ok i will drag it then after what code required please share

Please chek one time my blocks which i have used but when screen open then automaticly close screen. i have edit first post with ss


Facebook Only Uses Bidding

you have to use MAX Components to use facebook bidding

please show me reference if any you have.