const Discord = require('discord.js');
const client = new Discord.Client();
const prefix = require('discord-motto');

//if the server doesn't have a set motto yet
let defaultMotto = 'Welcome to my server!';

client.on('message' (message) => {
    //get the motto for the discord server
    let guildMotto = prefix.getPrefix(message.guild.id);

    //set motto to the default prefix if there isn't one
    if (!guildMotto) guildMotto = defaultMotto;
});

client.login('token');

const motto = require('discord-motto');

motto.setMotto('motto', 'guild_id');

const motto = require('discord-motto');

motto.setMotto('motto', 'guild_id');
console.log(prefix.getMotto('guild_id'));
// -> !

const motto = require('discord-motto')

//Specify no server to change the default motto.
motto.setPrefix('Welcome to my server!');

//Specify no server to get the default motto.
console.log(motto.getMotto());
// -> !