I assume that you are actually meaning Luke Is Alive, you go and hunt for Luke in the Scavenger Hunt which you find under the Xtra's menu, and then pst your proof that you have found him on the blockchain.
!ALIVE
@maddogmike who runs the daily contest on @lukeisalive can give you more info.
Maybe you did mean to put the lukeisalive tag but you need to do the contest to use this tag and you can find all the information you need here https://peakd.com/c/hive-105809/created Also let me know if you have any questions.