diff --git a/googleapis/cloud/dialogflow/v2/session.pb.go b/googleapis/cloud/dialogflow/v2/session.pb.go
index 308ba9878..5ab8d8d56 100644
--- a/googleapis/cloud/dialogflow/v2/session.pb.go
+++ b/googleapis/cloud/dialogflow/v2/session.pb.go
@@ -2275,6 +2275,13 @@ type SessionsClient interface {
 	// and session entity types to be updated, which in turn might affect
 	// results of future queries.
 	//
+	// If you might use
+	// [Agent Assist](https://cloud.google.com/dialogflow/docs/#aa)
+	// or other CCAI products now or in the future, consider using
+	// [AnalyzeContent][google.cloud.dialogflow.v2.Participants.AnalyzeContent]
+	// instead of `DetectIntent`. `AnalyzeContent` has additional
+	// functionality for Agent Assist and other CCAI products.
+	//
 	// Note: Always use agent versions for production traffic.
 	// See [Versions and
 	// environments](https://cloud.google.com/dialogflow/es/docs/agents-versions).
@@ -2283,6 +2290,13 @@ type SessionsClient interface {
 	// and returns structured, actionable data as a result. This method is only
 	// available via the gRPC API (not REST).
 	//
+	// If you might use
+	// [Agent Assist](https://cloud.google.com/dialogflow/docs/#aa)
+	// or other CCAI products now or in the future, consider using
+	// [StreamingAnalyzeContent][google.cloud.dialogflow.v2.Participants.StreamingAnalyzeContent]
+	// instead of `StreamingDetectIntent`. `StreamingAnalyzeContent` has
+	// additional functionality for Agent Assist and other CCAI products.
+	//
 	// Note: Always use agent versions for production traffic.
 	// See [Versions and
 	// environments](https://cloud.google.com/dialogflow/es/docs/agents-versions).
@@ -2344,6 +2358,13 @@ type SessionsServer interface {
 	// and session entity types to be updated, which in turn might affect
 	// results of future queries.
 	//
+	// If you might use
+	// [Agent Assist](https://cloud.google.com/dialogflow/docs/#aa)
+	// or other CCAI products now or in the future, consider using
+	// [AnalyzeContent][google.cloud.dialogflow.v2.Participants.AnalyzeContent]
+	// instead of `DetectIntent`. `AnalyzeContent` has additional
+	// functionality for Agent Assist and other CCAI products.
+	//
 	// Note: Always use agent versions for production traffic.
 	// See [Versions and
 	// environments](https://cloud.google.com/dialogflow/es/docs/agents-versions).
@@ -2352,6 +2373,13 @@ type SessionsServer interface {
 	// and returns structured, actionable data as a result. This method is only
 	// available via the gRPC API (not REST).
 	//
+	// If you might use
+	// [Agent Assist](https://cloud.google.com/dialogflow/docs/#aa)
+	// or other CCAI products now or in the future, consider using
+	// [StreamingAnalyzeContent][google.cloud.dialogflow.v2.Participants.StreamingAnalyzeContent]
+	// instead of `StreamingDetectIntent`. `StreamingAnalyzeContent` has
+	// additional functionality for Agent Assist and other CCAI products.
+	//
 	// Note: Always use agent versions for production traffic.
 	// See [Versions and
 	// environments](https://cloud.google.com/dialogflow/es/docs/agents-versions).
diff --git a/regen.txt b/regen.txt
index 09dc56af6..a8007eb3a 100644
--- a/regen.txt
+++ b/regen.txt
@@ -1 +1 @@
-ae3a4a281d8f35d2327328e95da9dc9146716ae2
\ No newline at end of file
+16ff8131d5ee3aac50018069e91f80b60ee3caaa
\ No newline at end of file