How do I make Input text a required field in adaptive card version 1.2 for webchat
问题 I am using BotFramework WebChat 4.9.1 and adaptive card 1.2 and I need few fields to be mandatory. Following is the card I have tried but it does not work. Ideally on submit it should highlight with red text that First name is required if the text box is empty. { "$schema": "http://adaptivecards.io/schemas/adaptive-card.json", "type": "AdaptiveCard", "version": "1.2", "body": [ { "type": "ColumnSet", "columns": [ { "type": "Column", "width": 2, "items": [ { "type": "TextBlock", "text": "Email