how to use code_action format_item function?

[luweiCN]

How should I use the format_item function?
How should I pass the format_item function correctly?

fzf-lua/lua/fzf-lua/providers/ui_select.lua

Line 82 in b3e9303

ui_opts.format_item and ui_opts.format_item(e) or tostring(e)))

[ibhagwan]

These are neovim options for ui.select, used by fzf-lua but not controlled by it, I’m not sure if you can provide these for code actions (as you can for custom calls), try :help vim.ui.select.