MatchmakingService

local MatchmakingService = game::GetService("MatchmakingService")
local RunService = game:GetService("RunService")
if RunService:IsStudio() then
  -- Sets up initial attributes and schema for testing
  MatchmakingService:InitializeServerAttributesForStudio(
  {
    Level = "Advanced",
    Elo = 123.456,
    TrainingMode = true
  })
end
-- Retrieves the Level attribute
local currentLevel, error = MatchmakingService:GetServerAttribute("Level")
if error then
  print(error)
else
  print("Current level: " .. currentLevel)
end
-- Updates the Level attribute value to Advanced
local success, error = MatchmakingService:SetServerAttribute("Level", "Advanced")
if not success then
  print("Failed to update server attribute [Level] to [Advanced] due to error: " .. error)
else
  print("Successfully set [Level] to [Advanced]")
end