[C#]Make Cortana speak Dialog prompt

This article focuses on how to make Cortana speak PromptDialog. It's quite simple, we have to specify message spoken by Cortana in PromptOption.speak and pass PromptOption to PromptDialog.Confirm() or PropmtDialog.Choice.

Prompt Choice

	var descriptions = new List<string>(){"Call service","Launch Recovery Management","Find Store"};
	var choices = new Dictionary<string,IReadOnlyList<string>>()
	{
	{"Call service", new List<string>{"call","call service","make a call"}},
	{"Launch Recovery Management", new List<string>{"launch recovery management","launch recovery","recovery"}},
	{"Find Acer Store", new List<string>{"find store","find store location"}}
	};
	var promptOptions = new PromptOptionsWithSynonyms<string>(
	"You can using Recovery to restore computer to factory default status or you can contact Store for service.",
	choices: choices,
	descriptions: descriptions,
	speak:"You can using Recovery to restore computer to factory default status or you can contact Store for service."
	);
	PromptDialog.Choice(
	context,
	ResumeAfterOptionResore,
	promptOptions
	);

view raw BotDialog.cs hosted with ❤ by GitHub

Prompt Confirm

	string promptString ="The nearest Store is in ShinHe Road. Open hour is 9 AM to 5 PM. Do you want to know any sales event?";
	PromptDialog.Confirm(
	context,
	ResumeAfterOptionStore,
	new PromptOptions<string>( prompt:promptString, speak:promptString, options: new List<string>(){"yes","no"})
	);

view raw BotDialog.cs hosted with ❤ by GitHub

If you don't want show option on the canvas you can empty PromptOption.options field from the code.

Reference:
https://docs.microsoft.com/en-us/bot-framework/dotnet/bot-builder-dotnet-text-to-speech
https://docs.microsoft.com/en-us/bot-framework/dotnet/bot-builder-dotnet-cortana-skill
https://docs.microsoft.com/en-us/dotnet/api/microsoft.bot.builder.dialogs.promptoptionswithsynonyms-1.-ctor?view=botbuilder-3.11.0