Change log for SERVICENOW_AUDIT

Date Changes
2026-07-17 Enhancement:
- event.idm.read_only_udm.metadata.event_timestamp: Added support for new timestamp format for sys_created_on raw log field with event.idm.read_only_udm.metadata.event_timestamp UDM field.
2025-12-19 Enhancement:
- event.idm.read_only_udm.principal.user.userid: Changed the priority of user raw log field mapping with event.idm.read_only_udm.principal.user.userid UDM field.
- event.idm.read_only_udm.additional.fields: Newly mapped _logged_in_user and _user raw log fields with event.idm.read_only_udm.additional.fields UDM field.
2025-12-01 Enhancement:
- event.idm.read_only_udm.metadata.event_timestamp: Newly mapped _timestamp raw log field with event.idm.read_only_udm.metadata.event_timestamp UDM field.
- event.idm.read_only_udm.principal.user.userid: Newly mapped _logged_in_user, _user, user raw log fields with event.idm.read_only_udm.principal.user.userid UDM field.
- event.idm.read_only_udm.target.hostname and event.idm.read_only_udm.target.asset.hostname: Newly mapped _system_id raw log field with event.idm.read_only_udm.target.hostname and event.idm.read_only_udm.target.asset.hostname UDM field.
- event.idm.read_only_udm.network.session_id: Newly mapped _session_id raw log field with event.idm.read_only_udm.network.session_id UDM field.
- event.idm.read_only_udm.principal.application: Newly mapped _logger_name raw log field with event.idm.read_only_udm.principal.application UDM field.
- event.idm.read_only_udm.target.resource.name: Newly mapped tablename raw log field with event.idm.read_only_udm.target.resource.name UDM field.
- event.idm.read_only_udm.target.resource.product_object_id: Newly mapped documentkey raw log field with event.idm.read_only_udm.target.resource.product_object_id UDM field.
- event.idm.read_only_udm.additional.fields: Newly mapped newvalue, oldvalue, _log_table, fieldname, _is_impersonating, _log_table_field_name, _log_table_table_name, _page_name, _source_type, internal_checkpoint, record_checkpoint, and _txid raw log fields with event.idm.read_only_udm.additional.fields UDM field.
2025-11-14 Enhancement:
- event.idm.read_only_udm.metadata.event_timestamp: Newly mapped sys_created_on raw log field with event.idm.read_only_udm.metadata.event_timestamp UDM field.
- event.idm.read_only_udm.metadata.product_log_id: Newly mapped sys_id raw log field with event.idm.read_only_udm.metadata.product_log_id UDM field.
- event.idm.read_only_udm.principal.asset.ip: Newly mapped parm2 raw log field with event.idm.read_only_udm.principal.asset.ip UDM field.
- event.idm.read_only_udm.principal.ip: Newly mapped parm2 raw log field with event.idm.read_only_udm.principal.ip UDM field.
- event.idm.read_only_udm.principal.user.email_addresses: Newly mapped user_id, parm1, and parm2 raw log field with event.idm.read_only_udm.principal.user.email_addresses UDM field.
- event.idm.read_only_udm.principal.user.user_display_name: Newly mapped user_name raw log field with event.idm.read_only_udm.principal.user.user_display_name UDM field.
- event.idm.read_only_udm.principal.user.userid: Newly mapped user_id raw log field with event.idm.read_only_udm.principal.user.userid UDM field.
- event.idm.read_only_udm.target.asset.hostname: Newly mapped claimed_by raw log field with event.idm.read_only_udm.target.asset.hostname UDM field.
- event.idm.read_only_udm.target.hostname: Newly mapped claimed_by raw log field with event.idm.read_only_udm.target.hostname UDM field.
- event.idm.read_only_udm.target.resource.attribute.labels: Newly mapped claimed_by_data raw log field with event.idm.read_only_udm.target.resource.attribute.labels UDM field.
- event.idm.read_only_udm.target.resource.name: Newly mapped instance raw log field with event.idm.read_only_udm.target.resource.name UDM field.
- event.idm.read_only_udm.target.url: Newly mapped uri raw log field with event.idm.read_only_udm.target.url UDM field.
- event.idm.read_only_udm.additional.fields: Newly mapped system_property, name, derived_priority, sys_mod_count, partition, processing_duration, state, descriptive_name, process_on, processed, queue, sys_updated_on, sys_updated_by, sys_created_by, and table raw log fields with event.idm.read_only_udm.additional.fields UDM field.
- event.idm.read_only_udm.metadata.event_type: If desc contains login, or name is session.established or login and a user is present, updated to USER_LOGIN.
- event.idm.read_only_udm.metadata.event_type and event.idm.read_only_udm.extensions.auth.type: If name is logout or session.terminated and a user is present, updated to USER_LOGOUT and event.idm.read_only_udm.extensions.auth.type to AUTHTYPE_UNSPECIFIED.
- event.idm.read_only_udm.metadata.event_type: If a user is present and the event is not a login or logout, updated to USER_UNCATEGORIZED.
2025-05-21 Enhancement:
- Added Grok pattern to provide support for SYSLOG logs.
- Extracted the User from the log using the Grok pattern, which is mapped to event.idm.read_only_udm.principal.user.userid.
- event.idm.read_only_udm.principal.ip: Newly mapped statprin_ipus raw log field with event.idm.read_only_udm.principal.ip UDM field.
- event.idm.read_only_udm.principal.asset.ip: Newly mapped statprin_ipus raw log field with event.idm.read_only_udm.principal.asset.ip UDM field.
- event.idm.read_only_udm.additional.fields: Newly mapped exportByteSize and exportRecordCount raw log field with event.idm.read_only_udm.additional.fields UDM field.
- Set event.idm.read_only_udm.metadata.event_type to STATUS_UPDATE when event.idm.read_only_udm.principal.ip is getting populated.
2025-05-16 Enhancement:
- Added Grok pattern to provide support for SYSLOG logs.
- event.idm.read_only_udm.security_result.action_details: Newly mapped status raw log field with event.idm.read_only_udm.security_result.action_details UDM field.
- If status is equal to successful then set security_result_action to ALLOW.
- If status is equal to failure then set security_result_action to BLOCK.
- event.idm.read_only_udm.security_result.action: Newly mapped security_result_action raw log field with event.idm.read_only_udm.security_result.action UDM field.
- event.idm.read_only_udm.security_result: Newly merged security_result to event.idm.read_only_udm.security_result UDM field.
2025-01-15 - Newly created parser