Get Started Button is visible on the welcome screen when the user comes for the first time. If the user tapes the button, it will trigger Postback Received webhook and deliver the user's page-scoped id.
You can then present a personalised message to greet the user or provide a structured message with buttons to prompt him or her to take an action. The button is a good mean to increase conversions. Adding a "Get Started" button resolves the issue of users not knowing what to write to break the ice with your bot.
|Get started button is visible on the welcome screen when the user comes for the first time. See Get Started Button chapter for more details.
|Any arbitrary data you will receive in Postback Received webhook when a user clicks the button.