Find boss target 1.12

function FindBossTarget(bossName)
  local i
  local bossTarget = nil
  if( UnitName("playertarget") == bossName ) then
    bossTarget = UnitName("playertargettarget")
  else
    for i = 1, GetNumRaidMembers(), 1 do
      if UnitName("Raid"..i.."target") == bossName then
        bossTarget = UnitName("Raid"..i.."targettarget")
        break
      end
    end
  end
  return bossTarget
end