To add Button component, drag your cursor from the button output of a component like the Text or Card component and drop. Instantly, the Button component will appear connected with the mother component.
And sometimes the button component automatically appear connected with other component, such as Card and Carousel component.
Now double-click on the button component and a right sidebar called configure button will appear. Now write a text in the button text field – the text will appear on the button. Then you have to select a button type from the button type field. Click on the button type field and a drop-down menu of different button types – New postback, postback, Weburl, Webview [full], Webview[compact], Webview[tall], User birthday, User email, User phone, User location, Call us, Unsubscribe, Re-subscribe, Chat with human and Chat with robot will appear.
