diff --git a/init.lua b/init.lua
index b0540a3..7f25d1e 100644
--- a/init.lua
+++ b/init.lua
@@ -8,6 +8,7 @@ Config = {
     discordActionLink = GetConvar("discordActionLink", "https://discord.gg/Z9Mxu72zZ6"),
     discordActionText2 = GetConvar("core:discordActionText2", "STORE"),
     discordActionLink2 = GetConvar("core:discordActionLink2", "https://andyyy.tebex.io/category/fivem-scripts"),
+    groups = json.decode(GetConvar("core:groups")) or {}
 }
 
 local nd_core = exports["ND_Core"]
diff --git a/server/functions.lua b/server/functions.lua
index 8d09f33..fd084e8 100644
--- a/server/functions.lua
+++ b/server/functions.lua
@@ -1,7 +1,12 @@
+---@param src number
+---@return table
 function NDCore.getPlayer(src)
     return ActivePlayers[src]
 end
 
+---@param metadata string
+---@param data any
+---@return table
 function NDCore.getPlayers(metadata, data)
     if not metadata or not data then return ActivePlayers end 
     local players = {}
diff --git a/server/player.lua b/server/player.lua
index 77e858a..5f21df5 100644
--- a/server/player.lua
+++ b/server/player.lua
@@ -179,10 +179,22 @@ local function createCharacterTable(info)
 
     ---@param name string
     ---@param rank number
+    ---@return boolean
     function self.addGroup(name, rank)
+        local groupInfo = Config.groups[name]
+        if not groupInfo return end
         self.groups[name] = {
-
+            label = groupInfo.label,
+            rankName = groupInfo.ranks[rank] or rank,
+            rank = rank
         }
+        return true
+    end
+
+    ---@param name string
+    ---@return table
+    function self.getGroup(name)
+        return self.groups[name]
     end
 
     ---@param name string
@@ -193,6 +205,9 @@ local function createCharacterTable(info)
     return self
 end
 
+---@param src number
+---@param info table
+---@return table
 function NDCore.newCharacter(src, info)
     local license = GetPlayerIdentifierByType(src, "license")
     if not license then return end
@@ -227,6 +242,8 @@ function NDCore.newCharacter(src, info)
     return charInfo
 end
 
+---@param id number
+---@return table
 function NDCore.fetchCharacter(id)
     local result = MySQL.query.await("SELECT * FROM nd_characters WHERE charid = ?", {id})
     if not result then return end
@@ -248,6 +265,8 @@ function NDCore.fetchCharacter(id)
     })
 end
 
+---@param src number
+---@return table
 function NDCore.getPlayerCharacters(src)
     local characters = {}
     local result = MySQL.query.await("SELECT * FROM nd_characters WHERE license = ?", {GetPlayerIdentifierByType(src, "license")})
@@ -273,6 +292,9 @@ function NDCore.getPlayerCharacters(src)
     return characters
 end
 
+---@param src number
+---@param id number
+---@return table
 function NDCore.setActiveCharacter(src, id)
     local char = ActivePlayers[src]
     if char then char:unload() end