Basic Usage

local DATA_TEMPLATE = {
    fruit = {
        apple = false,
        banana = false,
        berries = {
            strawberries = 0,
            raspberries = 10,
        },
    },

    money = 0,

    -- example of something we dont want to replicate!
    serverFlags = {
        isCool = false,
    },
}

local Players = game:GetService("Players")
local Replicate = require(path.to.Replicate).Server

local replicates = { }

task.spawn(function(): nil
    -- ever 5 minutes award active players some money!
    while task.wait(300) do
        for _, replicate in replicates do
            replicate:Increment({ "money" }, 50)
        end
    end

    return nil
end)

local function playerAdded(player: Player): nil
    local newReplicate = Replicate.new(player, DATA_TEMPLATE, {
        SourceMode = "copy"

        -- DATA_TEMPLATE.serverFlags wont be replicated no matter what changes we make to it!
        Filter = { "serverFlags" }, 
        FilterMode = "exclude",
    })

    replicates[player] = newReplicate

    newReplicate:Increment({ "money" }, 100) -- 100 money for joining!

    -- now that we've set all the data, time to replicate to the player!
    newReplicate:StartReplicating()

    if player.Name == "Roblox" then
        -- wow this person is really cool!
        -- dont worry, this wont be replicated to them!
        newReplicate:SetValue({ "serverFlags", "isCool" }, true)
    end

    return nil
end

local function playerRemoving(player: Player): nil
    if replicates[player] then
        replicates[player]:Destroy()
        replicates[player] = nil
    end

    return nil
end

for _, player: Player in Players:GetPlayers() do
    task.spawn(playerAdded, player)
end

Players.PlayerRemoving:Connect(playerRemoving)
Players.PlayerAdded:Connect(playerAdded)

local Replicate = require(path.to.Replicate).Client

local clientReplicate = Replicate:GetReplicate()

-- for reading data, its okay to reference it directly instead of using
-- :GetValue()
local currentMoney = clientReplicate.Data.money

clientReplicate:GetValueChangedSignal({ "money" }):Connect(function(newValue: number, oldValue: number): nil
    currentMoney = newValue

    print("Player money changed from:", oldValue, "to:", newValue)

    return nil
end)