filter: "evt.Meta.program == 'my_test_prog'" debug: true onsuccess: next_stage name: tests/base-grok pattern_syntax: MYCAP3: ".*" nodes: - grok: pattern: ^xxheader %{MYCAP3:extracted_value} trailing stuff$ apply_on: message statics: - meta: log_type value: parsed_testlog - parsed: extracted_arrayfield_from_object expression: JsonExtract(evt.Parsed.extracted_array, '[1]')