how to delete all messages discord code example

Example 1: discordjs delete all messages in channel

// Bulk delete messages
channel.bulkDelete(5)
  .then(messages => console.log(`Bulk deleted ${messages.size} messages`))
  .catch(console.error);

Example 2: discord delete message

"create a variable called id"
var id
"then inside your client message statement change id ->  id = message.id"
client.on('message', message => {
  id = message.id
});
"inside your command type  message.fetch(id).then(msg => msg.delete());"
  if (message.content === !test)
      message.fetch(id).then(msg => msg.delete());      
}});