client.on(Events.InteractionCreate, interaction => {
    if(!interaction.isChatInputCommand()) return;
    if(interaction.commandName === "hi") {
      rndmessage(message);
        function rndmessage(message){
            var messages =['hi','yo','hello'];
            var rnd = Math.floor(Math.random()*messages.length);
             
            interaction.reply({ content: rnd })     
        }
    }
});

client.on(Events.InteractionCreate, interaction => {
    if(!interaction.isChatInputCommand()) return;
    if(interaction.commandName === "hi") {
      rndmessage(message);
        function rndmessage(message){
            var messages =['hi','yo','hello'];
            var rnd = Math.floor(Math.random()*messages.length);
             
            interaction.reply({ content: rnd })     
        }
    }
});