boolean PromptChoiceDialog( questionText, defaultButtonText, alternateButtonText )
questionText is a string. This is the text that will appear in the main part of the dialog.
defaultButtonText is a string. This is the text that will appear in the default button. i.e. OK .
alternateButtonText is a string. This is the text that will appear in the alternate button. i.e. Cancel
Returns a boolean. True if the default button is clicked (or Enter key pressed), or False if the alternate button is clicked (or Escape key pressed).
This function will pause the script and show a dialog with the message in the
questionsText parameter. There are two standard dialog buttons which are labelled with the text in the
alternateButtonText parameters. Once the message dialog is dismissed, it will return a true or false value. True if the default button is clicked, and False if the alternate button is clicked.
The dialog can be used for example to allow the user to make a decision if they wish to continue with the script.