Why does vim.ui.select in functionNode make error?

[Jaehaks]

Hi I try to make snippet to callout in markdown.
I insert vim.ui.select in function node to return select one.

local function show_callout(args, parent, user_args)
  local result = nil
  vim.ui.select({
	'NOTE',
	'ABSTRACT',
	'SUMMARY',
	'CHECK',
	'IMPORTANT',
	'EXAMPLE',
	'QUESTION',
	'ANSWER',
	'FAQ',
	'HELP',
	'QUOTE',
	'CITE',
	'TIP',
	'HINT',
	'INFO',
	'TODO',
	'CAUTION',
	'WARNING',
	'DANGER',
	'MISSING',
  }, {
	prompt = 'Select callouts:',
	format_item = function (item)
	  return item
	end
  }, function (choice)
	result = choice
  end)

  return result
end

local callout = s({
  trig = ']!',
  name = 'callout',
  desc = 'select callout',
}, {
  t({'> [!'}),
  f(show_callout, {}),
  t({']',''}),
  t({'> '}), i(0,'')
})
table.insert(autosnippets, callout)

but Error occurs like this

What I missed?
I use snacks.picker to replace default vim.ui.select function but require('luasnip.extras.select_choice') doesn't work natively. It is the reason why I make it.

[wassimk]

Hi! I had the same problem. Here is a solution.

[Jaehaks]

I forgot this discussion.
AI said that it is because vim.ui.select is asynchronous function .