diff --git a/sonic-radiance.love/datas/gamedata/skills/init.lua b/sonic-radiance.love/datas/gamedata/skills/init.lua
new file mode 100644
index 0000000..cd3e25b
--- /dev/null
+++ b/sonic-radiance.love/datas/gamedata/skills/init.lua
@@ -0,0 +1,15 @@
+return {
+  actions = {
+    ["wait"] = {"wait", {"duration"}},
+    ["addGFX"] = {"addGFX", {'sprite', "dx", "dy", "affectedByDirection", 'blockProcess'}},
+    ["playSFX"] = {"playSFX", {"sfx"}},
+    ["sendDamage"] = {"sendDamage", {"power", "accuracy", "isSpecial", "isAerial"}},
+    ["sendDamageFromPos"] = {"sendDamageToPoint", {"dx", "dy", "power", "accuracy", "isSpecial", "isAerial", "affectedByDirection"}},
+    ["sendDamageFromCursor"] = {"sendDamageToPoint", {"dx", "dy", "power", "accuracy", "isSpecial", "isAerial", "affectedByDirection"}},
+    ["dashForward"] = {"dashForward", {"speed", "blockProcess"}},
+    ["setAnimation"] = {"setAnimation", {"animation", "blockProcess"}},
+    ["jumpBack"] = {"jump", {"blockProcess"}},
+    ["jumpToCursor"] = {"jump", {"blockProcess"}},
+    --[name] = {type, {args}},
+  }
+}
diff --git a/sonic-radiance.love/game/skills.lua b/sonic-radiance.love/game/skills.lua
index bdbc345..39383ee 100644
--- a/sonic-radiance.love/game/skills.lua
+++ b/sonic-radiance.love/game/skills.lua
@@ -16,4 +16,24 @@ function SkillManager:skillDataExists(skillname)
   return (fileinfo ~= nil)
 end
 
+function SkillManager:getActionArguments(choregraphyAction)
+  local choregraphyData = require "datas.gamedata.skills"
+  local args = {}
+  args.name       = choregraphyAction[1]
+  args.condition  = choregraphyAction[2]
+  local actionData = choregraphyData.actions[args.name]
+  if actionData ~= nil then
+    args.type          = actionData[1]
+    local argumentList = actionData[2]
+    for i, argData in ipairs(choregraphyAction) do
+      if i > 2 then
+        local argName = argumentList[i-2] or ""
+        args[argName] = argData
+      end
+    end
+  end
+
+  return args
+end
+
 return SkillManager