Probleme if/else if discord.js

if(message.content === "${prefix}user-info") {
    message.channel.send("Votre pseudo est: ${message.author.username}\nVotre ID est: ${message.author.id}\nVotre tribu est${message.author.role}");
}
if(message.content === "${prefix}stop") {
 let adminRole = message.guild.roles.find("name", "Obéron");
 if(message.member.roles.has(adminRole)) {
  process.exit();
 }
 else{
  message.channel.send("Vous n'avez pas acces a cette commande");
 }
}

if(message.content === "${prefix}user-info") {
^

ReferenceError: message is not defined
    at Object.<anonymous> (F:\srv alo\bot discord\pixie.js:81:1)
    at Module._compile (module.js:652:30)
    at Object.Module._extensions..js (module.js:663:10)
    at Module.load (module.js:565:32)
    at tryModuleLoad (module.js:505:12)
    at Function.Module._load (module.js:497:3)
    at Function.Module.runMain (module.js:693:10)
    at startup (bootstrap_node.js:191:16)
    at bootstrap_node.js:612:3