Was mache ich falsch (Einfache Ansager Bot auf Zwietracht)

Haftungsausschluss; ich habe nie wirklich sah kalt über einmal oder zweimal vor heute.
Die Basis Bot, die ich habe ist von hier;

aber ich am Ende mit diesem in der cmd-Eingabeaufforderung, wenn ich versuchen zu verkehren es:

C:\Users\aer\Desktop\discordbotjson>node start
C:\Users\aer\Desktop\discordbotjson\start.js:9
    var channel = client.channels.get("name", "general").id;
                  ^

ReferenceError: client is not defined
at Client.<anonymous> (C:\Users\aer\Desktop\discordbotjson\start.js:9:16)
at emitNone (events.js:67:13)
at Client.emit (events.js:166:7)
at WebSocket.websocket.onmessage (C:\Users\aer\Desktop\discordbotjson\node_modules\discord.js\lib\Client\InternalClient.js:1047:13)
at WebSocket.onMessage (C:\Users\aer\Desktop\discordbotjson\node_modules\ws\lib\WebSocket.js:414:14)
at emitTwo (events.js:87:13)
at WebSocket.emit (events.js:172:7)
at Receiver.ontext (C:\Users\aer\Desktop\discordbotjson\node_modules\ws\lib\WebSocket.js:797:10)
at C:\Users\aer\Desktop\discordbotjson\node_modules\ws\lib\Receiver.js:473:18
at Receiver.applyExtensions (C:\Users\aer\Desktop\discordbotjson\node_modules\ws\lib\Receiver.js:360:5)

---

Dies ist, was die start.json aussieht:

var Discord = require("discord.js");
var schedule = require('node-schedule');
var AuthDetails = require("./auth.json");

var bot = new Discord.Client();

bot.on('ready', () => {
//change channel name to name of channel or just set to equal the     channel ID if you already know it.
var channel = client.channels.get("name", "general").id; 

var rule = new schedule.RecurrenceRule(); //Creates new Recurrence Rule
rule.minute = 0; //Must set to 0 or scheduled job will run every minute.
rule.hour = [14, 19, 20]; //Hours are based on your system's time.

var j = schedule.scheduleJob(rule, function() {
    bot.channels.get("id", channel).sendMessage("Testing");
})

/* For different announcements:
rule.hour = 8; //Set different time. Use array like above for multiple hours.

var i = schedule.scheduleJob(rule, function() {
    bot.channels.get("id", channel).sendMessage("Announcement at 8AM");
})

//Repeat for more announcements
*/

console.log("Bot is ready.");
});

//login
bot.login(AuthDetails.email, AuthDetails.password);

Hilfe würde geschätzt, danke.