I have create simple gmail addon using google script,in that i have struggle here,
how to get textinput value when we perform some action,i have checked the document, i couldn't find any methods
The below code i have tried,
var card = CardService.newCardBuilder();
  card.setHeader(CardService.newCardHeader().setTitle("Login Here"));
  var section = CardService.newCardSection()
  var cleint_id_Input = CardService.newTextInput()
     .setFieldName("client_id")
     .setTitle("Please enter clinet id")
  var username_Input = CardService.newTextInput()
     .setFieldName("username")
     .setTitle("Please enter username")
  var password_Input = CardService.newTextInput()
     .setFieldName("password")
     .setTitle("Please enter password")
  section.addWidget(cleint_id_Input)
  section.addWidget(username_Input)
  section.addWidget(password_Input)
  Logger.log("Input Value%s",cleint_id_Input)
  //Login action button
  var action = CardService.newAction().setFunctionName('loginCallback');
  section.addWidget(CardService.newTextButton().setText('Login').setOnClickAction(action))  
  card.addSection(section)
i need inputText value in "loginCallback" function
Thanks in advance