Start ionic content from bottom

Hi All,
I am following slack app example behavior of comment ,I want to add comment inside


     <!-- start comments from bottom and and every entry from bottom to top scroll up and currently automatically there is <div> after content with style : transform: translate3d(0px, 0px, 0px) scale(1); which set it up at top by default-->

Please let me know the any material which help me to sort out.