If you add extra attributes to Social Facebook Node Attribute Mapper Configuration, the call to Facebook still only GETs the default attributes.
- Setup app on Facebook https://developers.facebook.com/quickstarts/?platform=web - you'll need to set domains, redirect_uri etc.
- Modify Facebook-ProvisionIDMAccount Auth Tree or create a new one. Set the client_id and client_secret to what was created in Step 1. Add the picture attribute mapping.
- Authenticate to the tree, sign in as a Facebook user
- In the logs you'll see the call to get the attributes - it doesn't include the picture attribute e.g. GET /v2.6/me?fields=name%2Cemail%2Cfirst_name%2Clast_name