gerrit.config
The audit configuration can be defined in the main gerrit.config in a specific section dedicated to the audit-sl4j plugin.
gerrit.audit-sl4j.format : Output format of the audit record. Can be set to either JSON or CSV. By default, CSV.
gerrit.audit-sl4j.logName : Write audit to a separate log name under Gerrit logs directory. By default, audit records are put into the error_log.