Using telegram KeyboardButton in dialogflow to get user's phone number sent as a contact when the button is pressed.

the function below is supposed to provides the fulfillment to the share_your_phone_number intent. When the intent is invoked, the share your phone number keyboard is displayed for the user in telegram. The same thing is applicable to the share_your_location intent. function share_your_phone_number(agent) { [login to view URL](`Welcome Here.`); [login to view URL](new Payload("telegram", { "text": "Please click on button below to share your number", "reply_markup": { "one_time_keyboard": true, "resize_keyboard": true, "keyboard": [ [ { "text": "Share my phone number", "callback_data": "phone", "request_contact": true } ], [ { "text": "Cancel", "callback_data": "Cancel" } ] ] } } )); } You are required to create a functional code that is able to return the keyboard button and you are required to create a function that retrieves the return data and store in a function for use or sent to an API for processing. Please note the environment is the Dialogflow inline editor