Hi,

This is a short demo of how to use Facebook Graph API explorer tool. In order to use this feature you have to get registered with Facebook developer account. I have provide step and underneath an image example:

After Sign In to your developer account.

• Go to Tools and Support.

• Select Graph API Explorer

• Select your app from there, if you don't have any previously created app then you need to create an app by clicking on My Apps and then Add a New App.

• Select Get User Access Token.
   

• Select the User permissions form here and hit Get Access Token

• Now click on Submit.

After Submit you will get your response in Json from, from where you can go further with the returned information as per your choice.

Select fields for a node and click submit and response will be returned in form of Json.