PreloadAsync

This is a yielding function. When called, it will pause the Lua thread that called the function until a result is ready to be returned, without interrupting other scripts.

https://developer.roblox.com/en-us/api-reference/function/ContentProvider/PreloadAsync

local ContentProvider = game:GetService("ContentProvider")

-- Create some objects to be preloaded

local sound = Instance.new("Sound")

sound.SoundId = "rbxassetid://1838058421"

local decal = Instance.new("Decal")

decal.Texture = "rbxassetid://5447528495"

-- A table of various assets to preload (Instances or content)

local assets = {

decal,

sound,

"rbxassetid://5173222739",

"rbxthumb://type=Avatar&w=100&h=100&id=269323"

}

-- For demonstration, pre-load 50 random user's avatar thumbnails

for i = 1, 50 do

table.insert(assets, "rbxthumb://type=Avatar&w=100&h=100&id=" .. math.random(1,1000000))

end

-- Preload the content and time it

local startTime = os.clock()

ContentProvider:PreloadAsync(assets)

local deltaTime = os.clock() - startTime

print(("Preloading complete, took %.2f seconds"):format(deltaTime))