add significant events

Author: mdbirnstiehl

solutions/observability/streams/management/extract/date.md

@@ -6,9 +6,9 @@ applies_to:
 
 # Date processor [streams-date-processor]
 
-The date processor parses date strings and uses them as the timestamp of the document.
+The date processor parses dates from fields, and then uses the date or timestamp as the timestamp for the document.
 
-To parse a date string using the date processor:
+To extract a timestamp field using the date processor:
 
 1. Set the **Source Field** to the field containing the timestamp.
 1. Set the **Format** field to one of the accepted date formats (ISO8602, UNIX, UNIX_MS, or TAI64N) or use a Java time pattern. Refer to the [example formats](#streams-date-examples) for more information.

solutions/observability/streams/management/schema.md

@@ -1,7 +1,7 @@
 ---
 navigation_title: Manage field mapping
 applies_to:
-  serverless: preview
+  serverless: ga
   stack: preview 9.1, ga 9.2
 ---
 

solutions/observability/streams/management/significant-events.md

@@ -469,6 +469,7 @@ toc:
         - file: observability/streams/management/retention.md
         - file: observability/streams/management/schema.md
         - file: observability/streams/management/data-quality.md
+        - file: observability/streams/management/significant-events.md
         - file: observability/streams/management/advanced.md
       - file: observability/incident-management.md
         children: