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There are two ways to log someone in:• The status can be one of the following: Status Type Description connected The person is logged into Facebook, and has logged into your webpage.

If they are not logged into Facebook, they will first be prompted to log in, then prompted to log in to your webpage.

Upon logging out from your app, the user is also logged out of Facebook.

This dialog allows you to to access a person's data.

Or was called before, and therefore, it cannot connect to Facebook.

Upon logging out from either webpage, the person is logged out of Facebook.

Unless you have a specific reason to use an older version, specify the most recent version: v11.

Facebook then calls your callback function with the results.

This optional parameter is a list of , separated by commas, that a person must confirm to give your webpage access to their data.