Step 4

Items for your inventory

Add this items in the qb-core/shared/items.lua

["vehiclekeys"] 				 = {["name"] = "vehiclekeys", 					["label"] = "Vehicle Keys", 			["weight"] = 50, 		["type"] = "item", 		["image"] = "vehiclekeys.png", 			["unique"] = true, 		["useable"] = true, 	["shouldClose"] = true,    ["combinable"] = nil,  ["description"] = "A small and sweet casting."},
["plate"] 				 	 = {["name"] = "plate", 					["label"] = "Plate", 				["weight"] = 50, 		["type"] = "item", 		["image"] = "plate.png", 			["unique"] = true, 		["useable"] = true, 	["shouldClose"] = true,    ["combinable"] = nil,  ["description"] = "A plate."},
["carlockpick"] 				 = {["name"] = "carlockpick", 					["label"] = "Carlockpick", 			["weight"] = 50, 		["type"] = "item", 		["image"] = "carlockpick.png", 			["unique"] = true, 		["useable"] = true, 	["shouldClose"] = true,    ["combinable"] = nil,  ["description"] = "A Lockpick."},
['caradvancedlockpick'] 		         = {['name'] = 'caradvancedlockpick', 			        ['label'] = 'Car Advanced Lockpick',            ['weight'] = 500, 		['type'] = 'item', 		['image'] = 'advancedlockpick.png', 	        ['unique'] = false, 	        ['useable'] = true, 	['shouldClose'] = true,	   ['combinable'] = nil,  ['description'] = 'If you lose your keys a lot this is very useful... Also useful to open your beers'},

For qb-core NEW VERSION ONLY

qb-core/shared/items.lua

vehiclekeys 				 = {["name"] = "vehiclekeys", 					["label"] = "Vehicle Keys", 			["weight"] = 50, 		["type"] = "item", 		["image"] = "vehiclekeys.png", 			["unique"] = true, 		["useable"] = true, 	["shouldClose"] = true,    ["combinable"] = nil,  ["description"] = "A small and sweet casting."},
plate				 	 = {["name"] = "plate", 					["label"] = "Plate", 				["weight"] = 50, 		["type"] = "item", 		["image"] = "plate.png", 			["unique"] = true, 		["useable"] = true, 	["shouldClose"] = true,    ["combinable"] = nil,  ["description"] = "A plate."},
carlockpick 				 = {["name"] = "carlockpick", 					["label"] = "Carlockpick", 			["weight"] = 50, 		["type"] = "item", 		["image"] = "carlockpick.png", 			["unique"] = true, 		["useable"] = true, 	["shouldClose"] = true,    ["combinable"] = nil,  ["description"] = "A Lockpick."},
caradvancedlockpick 		         = {['name'] = 'caradvancedlockpick', 			        ['label'] = 'Car Advanced Lockpick',            ['weight'] = 500, 		['type'] = 'item', 		['image'] = 'advancedlockpick.png', 	        ['unique'] = false, 	        ['useable'] = true, 	['shouldClose'] = true,	   ['combinable'] = nil,  ['description'] = 'If you lose your keys a lot this is very useful... Also useful to open your beers'},

Add the items in you inventory

ox_inventory

["vehiclekeys"] = {
	label = "Keys",
	weight = 1,
	stack = false,
	close = false,
	consume = 0,
	client = {
		export = 'qs-vehiclekeys.useKey',
	},
},

['plate'] = {
	label = 'Plate',
	weight = 100,
	stack = true,
	close = false,
	consume = 0,
	client = {
		export = 'qs-vehiclekeys.usePlate',
	},
},

['carlockpick'] = {
	label = 'Car Lockpick',
	weight = 100,
	stack = true,
	close = false,
	description = "Plate for vehicle",
	client = {
		export = 'qs-vehiclekeys.useCarlockpick',
	},
},

['caradvancedlockpick'] = {
	label = 'Advanced Lockpick',
	weight = 100,
	stack = true,
	close = false,
	description = "Plate for vehicle",
	client = {
		export = 'qs-vehiclekeys.useAdvancedCarlockpick',
	},
l

core_inventory

add this on core_inventory/config.lua on ItemCategories

["vehiclekeys"] = {
    color = "#62a859",
    takeSound = 'take_fabric',
    putSound = 'put_fabric',
},