diff --git a/shared/helpers.lua b/shared/helpers.lua
index fdd203c..f5c17bc 100644
--- a/shared/helpers.lua
+++ b/shared/helpers.lua
@@ -56,6 +56,14 @@ function isServer()
     return IsDuplicityVersion()
 end
 
+--- Allows the user to check if an export exists before trying to call it
+--- @return boolean boolean True if it exists
+---@usage
+--- ```lua
+--- if checkExportExists("qb-inventory", "OpenInventory") then
+---     exports["qb-inventory"]:OpenInventory()
+--- end
+--- ```
 function checkExportExists(resource, export)
     if not resource or not export then return false end
 
@@ -417,6 +425,7 @@ end
 function drawLine(startCoords, endCoords, col)
     if not debugMode then return end
 
+    local col = col or vec4(255, 255, 255, 150)
     CreateThread(function()
         for i = 100, 0, -1 do
             DrawLine(startCoords.x, startCoords.y, startCoords.z, endCoords.x, endCoords.y, endCoords.z, col.x, col.y, col.z, col.w)
@@ -435,6 +444,7 @@ end
 function drawSphere(coords, col)
     if not debugMode then return end
 
+    local col = col or vec4(255, 255, 255, 150)
     CreateThread(function()
         for i = 100, 0, -1 do
             DrawSphere(coords.x, coords.y, coords.z, 0.5, col.x, col.y, col.z, col.w)
@@ -875,9 +885,9 @@ local materials = {
 --- local matHash, matName = GetGroundMaterialAtPosition(vector3(100,200,300))
 --- print("Material:", matName)
 --- ```
-function GetGroundMaterialAtPosition(coords, ped)
+function GetGroundMaterialAtPosition(coords, Ped)
     local endCoords = vec3(coords.x, coords.y, coords.z - 1.1)
-    local rayHandle = StartShapeTestCapsule(coords.x, coords.y, coords.z, endX, endY, endZ, 1.0, 1, Ped or PlayerPedId(), 7)
+    local rayHandle = StartShapeTestCapsule(coords.x, coords.y, coords.z, endCoords.x, endCoords.y, endCoords.z, 1.0, 1, Ped or PlayerPedId(), 7)
     local _, hit, _, _, materialHash, _ = GetShapeTestResultIncludingMaterial(rayHandle)
     local materialName = "Unknown"
     for k, v in pairs(materials) do
diff --git a/shared/isAnimal.lua b/shared/isAnimal.lua
index b19b238..1b9e700 100644
--- a/shared/isAnimal.lua
+++ b/shared/isAnimal.lua
@@ -73,8 +73,8 @@ if not isServer() then
     --- local isPlayerAnimal = isAnimal()
     --- local isSpecificPedAnimal = isAnimal(somePedEntity)
     --- ```
-    function isPedAnimal(ped)
-        local PedModel = GetEntityModel(ped or PlayerPedId())
+    function isPedAnimal(Ped)
+        local PedModel = GetEntityModel(Ped or PlayerPedId())
         for _, animalCategory in pairs(AnimalPeds) do
             for animalModelHash, _ in pairs(animalCategory) do
                 if PedModel == animalModelHash then
@@ -105,8 +105,8 @@ if not isServer() then
     ---     print("Driver is a cat!")
     --- end
     --- ```
-    function isCat(ped)
-        local PedModel = GetEntityModel(ped or PlayerPedId())
+    function isCat(Ped)
+        local PedModel = GetEntityModel(Ped or PlayerPedId())
         for modelHash, _ in pairs(AnimalPeds.CatPeds) do
             if PedModel == modelHash then
                 debugPrint("^4isAnimal^7: ^2Ped is ^4Cat")
@@ -148,8 +148,8 @@ if not isServer() then
     ---     end
     --- end
     --- ```
-    function isDog(ped)
-        local PedModel = GetEntityModel(ped or PlayerPedId())
+    function isDog(Ped)
+        local PedModel = GetEntityModel(Ped or PlayerPedId())
         for modelHash, _ in pairs(AnimalPeds.BigDogs) do
             if PedModel == modelHash then
                 debugPrint("^4isAnimal^7: ^2Ped is ^4Dog")
@@ -199,8 +199,8 @@ if not isServer() then
     --- local getAnim = getAnimalAnims(ped)
     --- playAnim(getAnim.sitDict, getAnim.sitAnim, -1, 1)
     --- ```
-    function getAnimalAnims(ped)
-        local model = GetEntityModel(ped)
+    function getAnimalAnims(Ped)
+        local model = GetEntityModel(Ped)
         local animalTable = {}
         for _, animalCategory in pairs(AnimalPeds) do
             for k, v in pairs(animalCategory) do
@@ -284,4 +284,4 @@ AnimalPeds = {
         [`a_c_rhesus`] = { deathAnim = "dead", deathDict = "dead_a", exitAnim = "get_up@sat_on_floor@to_stand", exitDict = "getup_0" },
         [`ft-capmonkey2`] = { deathAnim = "dead_right", deathDict = "creatures@pug@move", exitAnim = "getup_r", exitDict = "creatures@pug@getup", sitAnim = "base", sitDict = "creatures@pug@amb@world_dog_sitting@base" },
     }
-}
\ No newline at end of file
+}
diff --git a/shared/notify.lua b/shared/notify.lua
index 48770b7..2546952 100644
--- a/shared/notify.lua
+++ b/shared/notify.lua
@@ -111,7 +111,7 @@ local notifyFunc = {
 --- triggerNotify("Alert", "You have been warned for misconduct.", "error", playerId)
 --- ```
 function triggerNotify(title, message, type, src)
-    if not Config.System or not Config.System.Notify then debugPrint("Notify triggered but not set up") return end
+    if not Config.System?.Notify then debugPrint("Notify triggered but not set up") return end
 
     if src then
         notifyFunc[Config.System.Notify].server(title, message, type, src)
diff --git a/shared/playerfunctions.lua b/shared/playerfunctions.lua
index 8104bb5..95b4461 100644
--- a/shared/playerfunctions.lua
+++ b/shared/playerfunctions.lua
@@ -236,7 +236,6 @@ local moneyFunc = {
 --- ```lua
 --- chargePlayer(100, "cash", playerId)
 --- ```
----
 function chargePlayer(cost, moneyType, newsrc)
     local is_success = false
     local src = newsrc or source