Here's how I did it. In User.rb after self.from_omniauth method: :
def facebook
@facebook ||= Koala::Facebook::API.new(oauth_token)
block_given? ? yield(@facebook) : @facebook
rescue Koala::Facebook::APIError => e
logger.info e.to_s
nil
end
def api_call
query = "Me?fields=picture.type(large),location,events.fields(name,location,end_time,privacy,updated_time,description,rsvp_status,venue,start_time,id,ticket_uri,picture.type(large),cover,owner,admins.fields(picture.type(large),name,location),attending.fields(picture.type(large),name,rsvp_status,first_name,last_name,email,location),maybe.fields(rsvp_status,picture.type(large),name,first_name,last_name,email,age_range,location)),friends.fields(cover,id,gender,location,username,email,first_name,last_name,picture.type(large))"
end
def generate_user_events
fb_call = facebook { |fb| fb.graph_call(api_call)}
unless fb_call["events"].nil?
events = fb_call["events"]["data"]
events.each do |event|
#All information from each event.
end #/ each do |event|
end #/ check to see if user has events
end
end