Yes, you can. In order to login via Facebook correctly, you need to include the following information:
- Social provider - Facebook;
- Access token - Social network provider's access token.
- AccessTokenSecret - Social network provider's access token secret.
Please note that since you are using a social provider for authentication, your password will be equal to QB session token.
Please make sure that you have followed our official documentation in order to login using Facebook:
Server API - Authentication
iOS SDK - Authentication | iOS SDK | QuickBlox
Android SDK - Authentication | Android SDK | QuickBlox
Feel free to check our official documentation for more information that will help you to integrate QuickBlox services into your applications / projects or contact our Support team by submitting a ticket if you have any other questions.