Change log for SLACK_AUDIT

Date	Changes
2026-09-21	Enhancement: - event.idm.read_only_udm.principal.labels: Removed mappings of actor.type, details.previous_ip_address, and details.previous_ua raw log fields from event.idm.read_only_udm.principal.labels UDM field as the field is deprecated. - event.idm.read_only_udm.additional.fields: Mapped actor.type, details.previous_ip_address, and details.previous_ua raw log fields with event.idm.read_only_udm.additional.fields UDM field. - event.idm.read_only_udm.about.resource.id: Removed mapping of context.location.id raw log field from event.idm.read_only_udm.about.resource.id UDM field as the field is deprecated. - event.idm.read_only_udm.about.resource.product_object_id: Mapped context.location.id raw log field with event.idm.read_only_udm.about.resource.product_object_id UDM field. - event.idm.read_only_udm.additional.fields: Newly mapped details.action_timestamp raw log field with event.idm.read_only_udm.additional.fields UDM field. - event.idm.read_only_udm.security_result.detection_fields: Newly mapped details.ip_address_details raw log field with event.idm.read_only_udm.security_result.detection_fields UDM field. - event.idm.read_only_udm.principal.location.state and event.idm.read_only_udm.principal.location.country_or_region: Newly mapped details.location raw log field with event.idm.read_only_udm.principal.location.state and event.idm.read_only_udm.principal.location.country_or_region UDM fields.
2025-03-28	Enhancement: - The Gsub pattern was updated to \\r\\n from \r\n to fix the problem of rn being stripped from the generated output. - A conversion block was added to explicitly convert the details.type field to a string. - Mapped actor.user.id to principal.user.userid. - Mapped details.url_private to target.url. - Mapped details.shared_with.channel_id target.labels. - Mapped details.reason to security_result.description. - Mapped details.previous_ip_address to principal.labels. - Mapped details.previous_ua to principal.labels.
2023-10-27	Enhancement: - Mapped details.reason to security_result.description.
2022-08-03	Enhancement: - Modified mapping for prin_ip from principal.nat_ip to principal.ip.
2022-04-07	- Corrected mapping for product_object_id. - Corrected the user mappings for second log format.