how to create command with parameter

[ngdream]

hi
how to create create command with parameter like this : /add nam)

[hypernova7]

bot.command('add', ctx => {
  const [cmd, param] = (ctx.message.reply_to_message || ctx.message).text.split(' ')
  console.log(cmd, param)
  if (!param) return ctx.reply('Missing param');
  doSomething()
})

[ngdream]

bot.command('add', ctx => {
  const [cmd, param] = (ctx.message.reply_to_message || ctx.message).text.split(' ')
  console.log(cmd, param)
  if (!param) return ctx.reply('Missing param');
  doSomething()
})

thanks