Execution Order

The script below will print: 0, A, B, D, C, Start, Finish, Tick, New Tick <0.01666>

printFirst.luau

print("0")

_init.luau

require("./printFirst")
local mod = {}

print("A")

_thread.Create(function(...)
  print("B", _thread.Now()) -- B, nil, nil
  _thread.Wait(0)
  print("C", _thread.Now()) -- C, GameTime, FrameCount
end)

function mod:OnLoad()
  print("Start", _thread.Now())
  _thread.Create(function()
    _thread.Wait(1000)
    -- new tick function, we must pass "self" since we use : when calling OnTick
    self.OnTick = function(self, deltaTime)
      print(`New tick <{deltaTime}>`)
      -- stop the tick, again
      self.OnTick = nil
    end
  end)
  print("Finish")
end

function mod:OnTick(deltaTime)
  print("Tick")
  self.OnTick = nil -- stop tick, clear this function from memory
end

print("D")

return mod