write something there

mods/asuna/asuna_awards/awards/slip_slidin_away.lua

@@ -0,0 +1,26 @@
+return function(award)
+  -- Get set of slippery nodes
+  local slippery_nodes = {}
+  for node,def in pairs(minetest.registered_nodes) do
+    local groups = def.groups
+    if groups and groups.slippery and groups.slippery > 0 then
+      slippery_nodes[node] = true
+    end
+  end
+
+  -- Register interval callback to check node below players
+  asuna_awards.register_on_interval(award,function(player)
+    local below = minetest.get_node(player:get_pos():add(vector.new(0,-1,0))).name
+    if below and slippery_nodes[below] then
+      return award
+    end
+  end)
+
+  -- Award definition
+  return {
+    title = "Slip Slidin' Away",
+    description = "Walk on a slippery surface",
+    difficulty = 30,
+    icon = "[inventorycube{default_ice.png{default_ice.png{default_ice.png",
+  }
+end