Coroutine starts over instead of continuing from last yeld

Help and Feedback Scripting Support
1

I am making a combat for my game, and wanted to have combo like attack system. I decided to use coroutines for this because I can “perform” different attack after everytime it is resumed. But for some reason, unkown for me, when I resume the coroutine after it yields, it starts the coroutine all over again instead of continuing from the yield, I always get only “first” print as in the script below, but never “second” . This is my first time using coroutines and I am overall confused about their usage.

my script:

local function TestAttack()
	print("first")
	onCooldown = true
	hitBox:HitStart()
	attackAnim:Play()
	plrHumanoid.WalkSpeed = 0
	wait(0.6)
	hitBox:HitStop()
	onCooldown = false
	plrHumanoid.WalkSpeed = 12

	coroutine.yield()

	print("second")
	onCooldown = true
	hitBox:HitStart()
	attackAnim:Play()
	plrHumanoid.WalkSpeed = 0
	wait(0.6)
	hitBox:HitStop()
	onCooldown = false
	plrHumanoid.WalkSpeed = 12

	coroutine.yield()
end


coroutine.create(TestAttack)



local function attack()
	if isStunned.Value == false and onCooldown == false then
		coroutine.resume(TestAttack())
	end
end

sword.Activated:Connect(attack)

btw I have other things defined above this section in the script and I got no errors in output

2

You sure about this? That is a function call, not the function itself