At first, add a button like VKontakte on your page from the Widget menu.
When you click on the button, a popin in the bottom left appears.
You are asked to insert an ID widget.
For that:
Click on the "Add an application" button
Add a title and select "Website"
Fill in the URL of your website and the domain of it and validate
Copy and paste the id located in the URL into our platform:
Your button like VKontakte is correctly configured
