diff --git a/translate/google/cloud/translate_v3beta1/proto/translation_service.proto b/translate/google/cloud/translate_v3beta1/proto/translation_service.proto
index f1fca1857aad..e62a50883822 100644
--- a/translate/google/cloud/translate_v3beta1/proto/translation_service.proto
+++ b/translate/google/cloud/translate_v3beta1/proto/translation_service.proto
@@ -117,6 +117,7 @@ service TranslationService {
       get: "/v3beta1/{parent=projects/*/locations/*}/glossaries"
     };
     option (google.api.method_signature) = "parent";
+    option (google.api.method_signature) = "parent,filter";
   }
 
   // Gets a glossary. Returns NOT_FOUND, if the glossary doesn't
diff --git a/translate/google/cloud/translate_v3beta1/proto/translation_service_pb2.py b/translate/google/cloud/translate_v3beta1/proto/translation_service_pb2.py
index 99ee4d293912..8a423d69322f 100644
--- a/translate/google/cloud/translate_v3beta1/proto/translation_service_pb2.py
+++ b/translate/google/cloud/translate_v3beta1/proto/translation_service_pb2.py
@@ -33,7 +33,7 @@
         '\n"com.google.cloud.translate.v3beta1B\027TranslationServiceProtoP\001ZGgoogle.golang.org/genproto/googleapis/cloud/translate/v3beta1;translate\370\001\001\252\002\036Google.Cloud.Translate.V3Beta1\312\002\036Google\\Cloud\\Translate\\V3beta1\352\002!Google::Cloud::Translate::V3beta1'
     ),
     serialized_pb=_b(
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     ),
     dependencies=[
         google_dot_api_dot_annotations__pb2.DESCRIPTOR,
@@ -3795,7 +3795,7 @@
         "\312A\030translate.googleapis.com\322A`https://www.googleapis.com/auth/cloud-platform,https://www.googleapis.com/auth/cloud-translation"
     ),
     serialized_start=5661,
-    serialized_end=7719,
+    serialized_end=7735,
     methods=[
         _descriptor.MethodDescriptor(
             name="TranslateText",
@@ -3860,7 +3860,7 @@
             input_type=_LISTGLOSSARIESREQUEST,
             output_type=_LISTGLOSSARIESRESPONSE,
             serialized_options=_b(
-                "\202\323\344\223\0025\0223/v3beta1/{parent=projects/*/locations/*}/glossaries\332A\006parent"
+                "\202\323\344\223\0025\0223/v3beta1/{parent=projects/*/locations/*}/glossaries\332A\006parent\332A\rparent,filter"
             ),
         ),
         _descriptor.MethodDescriptor(
diff --git a/translate/synth.metadata b/translate/synth.metadata
index 1539bd94b3ee..6b7bee295581 100644
--- a/translate/synth.metadata
+++ b/translate/synth.metadata
@@ -1,5 +1,5 @@
 {
-  "updateTime": "2019-09-28T12:43:42.201475Z",
+  "updateTime": "2019-10-02T12:29:59.228953Z",
   "sources": [
     {
       "generator": {
@@ -12,8 +12,8 @@
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "fcdec366bb4076be75649031706548128a01fc02",
-        "internalRef": "271635926"
+        "sha": "2123bcae97debe57e0870fca157cdf21e32bf3fb",
+        "internalRef": "272289410"
       }
     },
     {