Slash Command Cooldowns are not working

        // command cooldowns
        client.slashCooldowns = new Discord.Collection();
        const { slashCooldowns } = client;
        if (!slashCooldowns.has(interaction.commandName)) {
            slashCooldowns.set(interaction.commandName, new Discord.Collection());
        }

        const now = Date.now();
        const timestamps = slashCooldowns.get(interaction.commandName);
        console.log('timestamp ', timestamps)
        const cooldownAmount = (command.cooldown || 1) * 1000;
        console.log('cooldownAmount ', cooldownAmount);
        if (timestamps.has(interaction.user.id)) {
            const expirationTime = timestamps.get(interaction.user.id) + cooldownAmount;
            console.log('expirationTime ', expirationTime)

            if (now < expirationTime) {
                const timeLeft = (expirationTime - now) / 1000;
                console.log('timeLeft ', timeLeft)
                return interaction.reply({content: `Please wait ${timeLeft.toFixed(1)} more second(s) before reusing the \`${command.name}\` command.`});
            }
        }

        timestamps.set(interaction.user.id, now);
        setTimeout(() => timestamps.delete(interaction.user.id), cooldownAmount);

timestamp  Collection(0) [Map] {}
cooldownAmount  3000000