$prompt

Shows a prompt window that the user can input text into. See Examples for how to use it.

$prompt(text, placeholder, callback)

Parameter	Type	Description
text	String or WinObject	The question shown in the prompt. Can also be a WinObject with a msg (and icon) property, to set more specific options.
placeholder	String	The text pre-entered in the input box. This is required, use an empty string if not needed.
callback	Function	The callback. Called with two arguments, whether the user has pressed OK and the text they entered.