docs: clarified documentation for security settings

docs: clarified documentation for session parameters

PiperOrigin-RevId: 374473298

google/cloud/dialogflow/cx/v3/security_settings.proto

@@ -198,8 +198,8 @@ message SecuritySettings {
     // Unspecified. Do not use.
     PURGE_DATA_TYPE_UNSPECIFIED = 0;
 
-    // Dialogflow history. This does not include Stackdriver log, which is
-    // owned by the user not Dialogflow.
+    // Dialogflow history. This does not include Cloud logging, which is
+    // owned by the user - not Dialogflow.
     DIALOGFLOW_HISTORY = 1;
   }
 
@@ -215,8 +215,9 @@ message SecuritySettings {
   // Strategy that defines how we do redaction.
   RedactionStrategy redaction_strategy = 3;
 
-  // Defines on what data we apply redaction. Note that we don't
-  // redact data to which we don't have access, e.g., Stackdriver logs.
+  // Defines the data for which Dialogflow applies redaction. Dialogflow does
+  // not redact data that it does not have access to – for example, Cloud
+  // logging.
   RedactionScope redaction_scope = 4;
 
   // DLP inspect template name. Use this template to define inspect base
@@ -233,11 +234,15 @@ message SecuritySettings {
   // purged due to retention policy, we may still hold it in backup storage for
   // a few days without allowing direct readings.
   oneof data_retention {
-    // Retains the data for the specified number of days.
+    // Retains data in interaction logging for the specified number of days.
+    // This does not apply to Cloud logging, which is owned by the user - not
+    // Dialogflow.
     // User must Set a value lower than Dialogflow's default 30d TTL. Setting a
     // value higher than that has no effect.
     // A missing value or setting to 0 also means we use Dialogflow's default
     // TTL.
+    // Note: Interaction logging is a limited access feature. Talk to your
+    // Google representative to check availability for you.
     int32 retention_window_days = 6;
   }
 

google/cloud/dialogflow/cx/v3/session.proto

@@ -388,6 +388,9 @@ message QueryParameters {
   // parameter from the session, clients should explicitly set the parameter
   // value to null.
   //
+  // You can reference the session parameters in the agent with the following
+  // format: $session.params.parameter-id.
+  //
   // Depending on your protocol or client library language, this is a
   // map, associative array, symbol table, dictionary, or JSON object
   // composed of a collection of (MapKey, MapValue) pairs: