diff --git a/imports/getCore/es_extended/client.lua b/imports/getCore/es_extended/client.lua
index e905fc8..5219f24 100644
--- a/imports/getCore/es_extended/client.lua
+++ b/imports/getCore/es_extended/client.lua
@@ -1,5 +1,40 @@
+if not lib.player then lib.player() end
+
 return function(resource)
 	local ESX = exports[resource]:getSharedObject()
-	-- Eventually add some functions here to simplify the creation of framework-agnostic resources.
+
+	RegisterNetEvent('esx:playerLoaded', function(xPlayer)
+		ESX.PlayerData = xPlayer
+	end)
+
+	RegisterNetEvent('esx:setJob', function(job)
+		ESX.PlayerData.job = job
+	end)
+
+	lib.addPlayerMethod('hasGroup', function(self, filter)
+		local type = type(filter)
+
+		if type == 'string' then
+			return ESX.PlayerData.job.name == filter
+		end
+
+		local tabletype = table.type(filter)
+
+		if tabletype == 'hash' then
+			local grade = filter[ESX.PlayerData.job.name]
+			return grade and grade <= ESX.PlayerData.job.grade
+		end
+
+		if tabletype == 'array' then
+			for i = 1, #filter do
+				if ESX.PlayerData.job.name == filter[i] then
+					return true
+				end
+			end
+
+			return false
+		end
+	end)
+
 	return ESX
 end
diff --git a/imports/getCore/qb-core/client.lua b/imports/getCore/qb-core/client.lua
index 31810eb..03e0d1a 100644
--- a/imports/getCore/qb-core/client.lua
+++ b/imports/getCore/qb-core/client.lua
@@ -1,5 +1,58 @@
+if not lib.player then lib.player() end
+
 return function(resource)
 	local QBCore = exports[resource]:GetCoreObject()
-	-- Eventually add some functions here to simplify the creation of framework-agnostic resources.
+	local PlayerData
+
+	RegisterNetEvent('QBCore:Client:OnPlayerLoaded', function()
+		PlayerData = QBCore.Functions.GetPlayerData()
+	end)
+
+	RegisterNetEvent('QBCore:Client:OnJobUpdate', function(job)
+		PlayerData.job = job
+	end)
+
+	RegisterNetEvent('QBCore:Client:OnGangUpdate', function(gang)
+		PlayerData.gang = gang
+	end)
+
+	lib.addPlayerMethod('hasGroup', function(self, filter)
+		local type = type(filter)
+
+		if type == 'string' then
+			return PlayerData.job.name == filter or PlayerData.gang.name == filter
+		end
+
+		local tabletype = table.type(filter)
+
+		if tabletype == 'hash' then
+			local jobGrade = filter[PlayerData.job.name]
+
+			if jobGrade then
+				return jobGrade <= PlayerData.job.grade
+			end
+
+			local gangGrade = filter[PlayerData.gang.name]
+
+			if gangGrade then
+				return gangGrade <= PlayerData.gang.grade
+			end
+
+			return false
+		end
+
+		if tabletype == 'array' then
+			for i = 1, #filter do
+				local group = filter[i]
+
+				if PlayerData.job.name == group or PlayerData.gang.name == group then
+					return true
+				end
+			end
+
+			return false
+		end
+	end)
+
 	return QBCore
 end