path /var/log/httpd-access.log #...or where you placed your Apache access log
pos_file /var/log/td-agent/httpd-access.log.pos # This is where you record file position
tag foobar.csv #fluentd tag!
keys key1, key2, key3 # e.g., user_id, timestamp, action
time_key key2 # Specify the column that you want to use as timestamp
apikey <Treasure Data API key> # You get your API key by signing up for Treasure Data