How to check if a player dies, then remove one of they're lives?

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1

How do I check if a player died, then after they die, they’re lives goes down by 1?
Example

local Lives = 5
stuff I dont know function thing
local Lives = Lives - 1 -- I think I did this right idk
if Lives == 0 then
set player onto dead team
end
end)
2

get their humanoid and detect deaths with the humanoid.Died event

local lives = 5

humanoid.Died:Connect(function()
    lives -= 1 --remove 1 life
end)
3

You can use this article for reference:

https://developer.roblox.com/en-us/api-reference/event/Humanoid/Died

You can add a function when a player joins:

local lives = 5
game:GetService('Players').PlayerAdded:Connect(function(player)
	player.CharacterAdded:Connect(function(character)
		character:WaitForChild("Humanoid").Died:Connect(function()
			lives -= 1 
		end)
	end)
end)