boost message

client.on("guildMemberUpdate", async (oldMember, newMember) => {
let channel = client.channel.cache.get("ايدي الروم اللي ينرسل في الرساله")
    if (!oldMember.premiumSince && newMember.premiumSince) {
        return channel.send(`**${newMember.user.tag}** boosted the server! Thank you!`)

    }