ui := packer.UiVirtualBox("my-virtualbox")
ui.Say("Building VirtualBox image...")
var password string ui.Ask("Enter password: ", &password)This prompts the user to enter a password and stores the input in the 'password' variable. Overall, the go github.com.mitchellh.packer.packer Ui package provides a simple and effective way to manage Packer configurations and interact with the user.