Create lock.js

commands/admin/lock.js

@@ -0,0 +1,20 @@
+const { Discord, Client, Message, MessageEmbed, Permissions } = require('discord.js');
+
+module.exports = {
+    name: 'lock',
+    aliases: [''],
+    /** 
+     * @param {Client} client 
+     * @param {Message} message 
+     * @param {String[]} args 
+     */
+    run: async(client, message, args) => {
+
+        const permission = message.member.permissions.has(Permissions.FLAGS.MANAGE_CHANNELS)
+        if (!permission)return message.reply({ contents: "You don't have permission to use this command" });
+        
+        message.channel.permissionOverwrites.edit(message.guild.roles.everyone.id, {SEND_MESSAGES: false});
+
+        message.channel.send("Channel has been locked.")
+    }
+}