Class ChatResponseBuilder

const cardSection = CardService.newCardSection();
cardSection.addWidget(
    CardService.newTextParagraph().setText('This is a text paragraph widget.'));

const card = CardService.newCardBuilder()
    .setHeader(CardService.newCardHeader().setTitle('Card title'))
    .addSection(cardSection)
    .build();

const cardWithId = CardService.newCardWithId()
    .setCardId('card_id')
    .setCard(card);

const chatResponse = CardService.newChatResponseBuilder()
    .addCardsV2(cardWithId)
    .build();

// Build the card.
const card = CardService.newCardBuilder()
    .setHeader(CardService.newCardHeader().setTitle('card title')).build();

// Creates the dialog.
const dialog = CardService.newDialog()
    .setBody(card);

// Creates the dialog action.
const dialogAction = CardService.newDialogAction()
   .setDialog(dialog)

// Creates the action response and sets the type to DIALOG.
const actionResponse = CardService.newChatActionResponse()
       .setDialogAction(dialogAction).setResponseType(CardService.Type.DIALOG);

// Creates the Chat response and sets the action response.
const chatResponse = CardService.newChatResponseBuilder()
       .setActionResponse(actionResponse)
    .build();

const chatResponse = CardService.newChatResponseBuilder()
       .setText('Example text')
    .build();