log4r_config: # define all loggers ... loggers: - name : mylogger level : INFO additive : 'false' trace : 'false' outputters: - testyaml # define all outputters (incl. formatters) outputters: - type : TestYamlOutputter name : testyaml level : INFO array_param: - fred@foo.com - barney@foo.com - 'wilma@#{CUSTOM_DOMAIN}' formatter: date_pattern: '%y%m%d %H:%M:%S' pattern : '%d %l: %m ' type : PatternFormatter