qzdoom/wadsrc/static/zscript/chex/chexkeys.txt

// These are merely renames of the Doom cards

class ChexBlueCard : BlueCard
{
	Default
	{
		inventory.pickupmessage "$GOTCBLUEKEY";
	}
}

class ChexYellowCard : YellowCard
{
	Default
	{
		inventory.pickupmessage "$GOTCYELLOWKEY";
	}
}

class ChexRedCard : RedCard
{
	Default
	{
		inventory.pickupmessage "$GOTCREDKEY";
	}
}