pluginName: grok attributesMapperClass: org.opensearch.dataprepper.logstash.mapping.GrokLogstashPluginAttributesMapper mappedAttributeNames: match: match break_on_match: break_on_match keep_empty_captures: keep_empty_captures patterns_dir: patterns_directories pattern_definitions: pattern_definitions patterns_files_glob: patterns_files_glob timeout_millis: timeout_millis overwrite: keys_to_overwrite named_captures_only: named_captures_only