feat: add relax_safety_filters proto field for Gemini TTS

Google APIs · copybara-github · commit 59aac0a6555b · 2025-10-17T08:25:10.000-07:00
PiperOrigin-RevId: 820700239
diff --git a/google/cloud/texttospeech/v1/cloud_tts.proto b/google/cloud/texttospeech/v1/cloud_tts.proto
@@ -164,6 +164,15 @@ message AdvancedVoiceOptions {
   // Only for Journey voices. If false, the synthesis is context aware
   // and has a higher latency.
   optional bool low_latency_journey_synthesis = 1;
+
+  // Optional. Input only. If true, relaxes safety filters for Gemini TTS. Only
+  // supported for accounts linked to Invoiced (Offline) Cloud billing accounts.
+  // Otherwise, will return result
+  // [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT].
+  bool relax_safety_filters = 8 [
+    (google.api.field_behavior) = INPUT_ONLY,
+    (google.api.field_behavior) = OPTIONAL
+  ];
 }
 
 // The top-level message sent by the client for the `SynthesizeSpeech` method.
