# Frequently Asked Questions

In this page, some very basic, frequently-asked questions are answered. It's important to understand that these examples are generic and will most likely not work if you just copy/paste them in your code. You need to understand these lines, not just blindly shove them in your code.

# Code Examples

# Bot and Bot Client

// Set the bot's "Playing: " status (must be in an event!)
client.on("ready", () => {
    client.user.setActivity("my code", { type: "WATCHING"})
})

// Set the bot's online/idle/dnd/invisible status
client.on("ready", () => {
    client.user.setStatus("online");
});

// Set the bot's presence (activity and status)
client.on("ready", () => {
    client.user.setPresence({
        activities: [{ 
          name: "my code",
          type: "WATCHING"
        }],
        status: "idle"
    })
})

Note: You can find a list of all possible activity types here.

If you want your bot's status to show up as STREAMING, you need to provide a Twitch or YouTube URL. For setActivity, you need to provide an options object, which needs to have the URL, and the type should be set to streaming. For setPresence, you need to provide the presence data object, which needs to contain the activities array, with the url and type (Set it to "STREAMING").

client.on("ready", () => {
    client.user.setActivity("my code", { type: "STREAMING", url: "https://www.twitch.tv/an_idiots_guide" })
})

# Users and Members

In these examples Guild is a placeholder for where you get the guild. This can be message.guild or member.guild or just guild depending on the event. Or, you can get the guild by ID (see next section) and use that, too!

// Get a User by ID
client.users.cache.get("user id here");
// Returns <User>

// Get a Member by ID
message.guild.members.cache.get("user ID here");
// Returns <Member>

// Get a Member from message Mention
message.mentions.members.first();
// Returns <Member>, if there is a mentioned member

// Send a Direct Message to a user
message.author.send("hello");
// With Member it works too:
message.member.send("Heya!");

// Mention a user in a message
message.channel.send(`Hello ${message.author.toString()}, and welcome!`);
// or
message.channel.send("Hello " + message.author.toString() + ", and welcome!");

// Restrict a command to a specific user by ID
if (message.content.startsWith(`${prefix}commandname`)) {
    if (message.author.id !== "A user ID") return;
    // Your Command Here
}

message.guild.members.fetch(message.author)
  .then(member => {
    // The member is available here.
  })
  .catch(() => {
    // When an error occurs.
  })

# Channels and Guilds

// Get a Guild by ID
client.guilds.cache.get("the guild id");
// Returns <Guild>

// Get a Channel by ID
client.channels.cache.get("the channel id");
// Returns <Channel>

// Get a Channel by Name
message.guild.channels.cache.find(channel => channel.name === "channel-name");
// returns <Channel>

// Create an invite and send it in the channel
// You can only create an invite from a GuildChannel
// Messages can only be sent to a TextChannel
message.guild.channels.cache.get('<CHANNEL ID>').createInvite().then(invite =>
    message.channel.send(invite.url)
);

# Messages

// Editing a message the bot sent
message.channel.send("Test").then(sentMessage => sentMessage.edit("Blah"));
// message now reads : "Blah"

message.channel.messages.fetch("352292052538753025")
  .then(message => {
    // do something with it
    // Check if the author of the message is the bot
    if (message.client.user.id !== message.author.id) return console.log("I'm not the author of that message!");
    // Edit the message
    message.edit("This fetched message was edited");
  });

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