diff --git a/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcAlertPolicyServiceStub.java b/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcAlertPolicyServiceStub.java
index 910fc0c5b659..82218990264f 100644
--- a/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcAlertPolicyServiceStub.java
+++ b/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcAlertPolicyServiceStub.java
@@ -23,7 +23,9 @@
 import com.google.api.gax.grpc.GrpcCallSettings;
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
+import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
+import com.google.common.collect.ImmutableMap;
 import com.google.monitoring.v3.AlertPolicy;
 import com.google.monitoring.v3.CreateAlertPolicyRequest;
 import com.google.monitoring.v3.DeleteAlertPolicyRequest;
@@ -35,6 +37,7 @@
 import io.grpc.MethodDescriptor;
 import io.grpc.protobuf.ProtoUtils;
 import java.io.IOException;
+import java.util.Map;
 import java.util.concurrent.TimeUnit;
 import javax.annotation.Generated;
 
@@ -151,22 +154,68 @@ protected GrpcAlertPolicyServiceStub(
         listAlertPoliciesTransportSettings =
             GrpcCallSettings.<ListAlertPoliciesRequest, ListAlertPoliciesResponse>newBuilder()
                 .setMethodDescriptor(listAlertPoliciesMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<ListAlertPoliciesRequest>() {
+                      @Override
+                      public Map<String, String> extract(ListAlertPoliciesRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<GetAlertPolicyRequest, AlertPolicy> getAlertPolicyTransportSettings =
         GrpcCallSettings.<GetAlertPolicyRequest, AlertPolicy>newBuilder()
             .setMethodDescriptor(getAlertPolicyMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<GetAlertPolicyRequest>() {
+                  @Override
+                  public Map<String, String> extract(GetAlertPolicyRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<CreateAlertPolicyRequest, AlertPolicy> createAlertPolicyTransportSettings =
         GrpcCallSettings.<CreateAlertPolicyRequest, AlertPolicy>newBuilder()
             .setMethodDescriptor(createAlertPolicyMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<CreateAlertPolicyRequest>() {
+                  @Override
+                  public Map<String, String> extract(CreateAlertPolicyRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<DeleteAlertPolicyRequest, Empty> deleteAlertPolicyTransportSettings =
         GrpcCallSettings.<DeleteAlertPolicyRequest, Empty>newBuilder()
             .setMethodDescriptor(deleteAlertPolicyMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<DeleteAlertPolicyRequest>() {
+                  @Override
+                  public Map<String, String> extract(DeleteAlertPolicyRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<UpdateAlertPolicyRequest, AlertPolicy> updateAlertPolicyTransportSettings =
         GrpcCallSettings.<UpdateAlertPolicyRequest, AlertPolicy>newBuilder()
             .setMethodDescriptor(updateAlertPolicyMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<UpdateAlertPolicyRequest>() {
+                  @Override
+                  public Map<String, String> extract(UpdateAlertPolicyRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put(
+                        "alert_policy.name", String.valueOf(request.getAlertPolicy().getName()));
+                    return params.build();
+                  }
+                })
             .build();
 
     this.listAlertPoliciesCallable =
diff --git a/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcGroupServiceStub.java b/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcGroupServiceStub.java
index 0d5dcdc226a6..31ff130890e2 100644
--- a/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcGroupServiceStub.java
+++ b/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcGroupServiceStub.java
@@ -24,7 +24,9 @@
 import com.google.api.gax.grpc.GrpcCallSettings;
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
+import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
+import com.google.common.collect.ImmutableMap;
 import com.google.monitoring.v3.CreateGroupRequest;
 import com.google.monitoring.v3.DeleteGroupRequest;
 import com.google.monitoring.v3.GetGroupRequest;
@@ -38,6 +40,7 @@
 import io.grpc.MethodDescriptor;
 import io.grpc.protobuf.ProtoUtils;
 import java.io.IOException;
+import java.util.Map;
 import java.util.concurrent.TimeUnit;
 import javax.annotation.Generated;
 
@@ -153,27 +156,81 @@ protected GrpcGroupServiceStub(
     GrpcCallSettings<ListGroupsRequest, ListGroupsResponse> listGroupsTransportSettings =
         GrpcCallSettings.<ListGroupsRequest, ListGroupsResponse>newBuilder()
             .setMethodDescriptor(listGroupsMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<ListGroupsRequest>() {
+                  @Override
+                  public Map<String, String> extract(ListGroupsRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<GetGroupRequest, Group> getGroupTransportSettings =
         GrpcCallSettings.<GetGroupRequest, Group>newBuilder()
             .setMethodDescriptor(getGroupMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<GetGroupRequest>() {
+                  @Override
+                  public Map<String, String> extract(GetGroupRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<CreateGroupRequest, Group> createGroupTransportSettings =
         GrpcCallSettings.<CreateGroupRequest, Group>newBuilder()
             .setMethodDescriptor(createGroupMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<CreateGroupRequest>() {
+                  @Override
+                  public Map<String, String> extract(CreateGroupRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<UpdateGroupRequest, Group> updateGroupTransportSettings =
         GrpcCallSettings.<UpdateGroupRequest, Group>newBuilder()
             .setMethodDescriptor(updateGroupMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<UpdateGroupRequest>() {
+                  @Override
+                  public Map<String, String> extract(UpdateGroupRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("group.name", String.valueOf(request.getGroup().getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<DeleteGroupRequest, Empty> deleteGroupTransportSettings =
         GrpcCallSettings.<DeleteGroupRequest, Empty>newBuilder()
             .setMethodDescriptor(deleteGroupMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<DeleteGroupRequest>() {
+                  @Override
+                  public Map<String, String> extract(DeleteGroupRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<ListGroupMembersRequest, ListGroupMembersResponse>
         listGroupMembersTransportSettings =
             GrpcCallSettings.<ListGroupMembersRequest, ListGroupMembersResponse>newBuilder()
                 .setMethodDescriptor(listGroupMembersMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<ListGroupMembersRequest>() {
+                      @Override
+                      public Map<String, String> extract(ListGroupMembersRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
 
     this.listGroupsCallable =
diff --git a/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcMetricServiceStub.java b/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcMetricServiceStub.java
index c748cab81b80..4c6256a8423c 100644
--- a/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcMetricServiceStub.java
+++ b/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcMetricServiceStub.java
@@ -27,7 +27,9 @@
 import com.google.api.gax.grpc.GrpcCallSettings;
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
+import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
+import com.google.common.collect.ImmutableMap;
 import com.google.monitoring.v3.CreateMetricDescriptorRequest;
 import com.google.monitoring.v3.CreateTimeSeriesRequest;
 import com.google.monitoring.v3.DeleteMetricDescriptorRequest;
@@ -43,6 +45,7 @@
 import io.grpc.MethodDescriptor;
 import io.grpc.protobuf.ProtoUtils;
 import java.io.IOException;
+import java.util.Map;
 import java.util.concurrent.TimeUnit;
 import javax.annotation.Generated;
 
@@ -212,41 +215,115 @@ protected GrpcMetricServiceStub(
                 .<ListMonitoredResourceDescriptorsRequest, ListMonitoredResourceDescriptorsResponse>
                     newBuilder()
                 .setMethodDescriptor(listMonitoredResourceDescriptorsMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<ListMonitoredResourceDescriptorsRequest>() {
+                      @Override
+                      public Map<String, String> extract(
+                          ListMonitoredResourceDescriptorsRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<GetMonitoredResourceDescriptorRequest, MonitoredResourceDescriptor>
         getMonitoredResourceDescriptorTransportSettings =
             GrpcCallSettings
                 .<GetMonitoredResourceDescriptorRequest, MonitoredResourceDescriptor>newBuilder()
                 .setMethodDescriptor(getMonitoredResourceDescriptorMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<GetMonitoredResourceDescriptorRequest>() {
+                      @Override
+                      public Map<String, String> extract(
+                          GetMonitoredResourceDescriptorRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<ListMetricDescriptorsRequest, ListMetricDescriptorsResponse>
         listMetricDescriptorsTransportSettings =
             GrpcCallSettings
                 .<ListMetricDescriptorsRequest, ListMetricDescriptorsResponse>newBuilder()
                 .setMethodDescriptor(listMetricDescriptorsMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<ListMetricDescriptorsRequest>() {
+                      @Override
+                      public Map<String, String> extract(ListMetricDescriptorsRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<GetMetricDescriptorRequest, MetricDescriptor>
         getMetricDescriptorTransportSettings =
             GrpcCallSettings.<GetMetricDescriptorRequest, MetricDescriptor>newBuilder()
                 .setMethodDescriptor(getMetricDescriptorMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<GetMetricDescriptorRequest>() {
+                      @Override
+                      public Map<String, String> extract(GetMetricDescriptorRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<CreateMetricDescriptorRequest, MetricDescriptor>
         createMetricDescriptorTransportSettings =
             GrpcCallSettings.<CreateMetricDescriptorRequest, MetricDescriptor>newBuilder()
                 .setMethodDescriptor(createMetricDescriptorMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<CreateMetricDescriptorRequest>() {
+                      @Override
+                      public Map<String, String> extract(CreateMetricDescriptorRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<DeleteMetricDescriptorRequest, Empty> deleteMetricDescriptorTransportSettings =
         GrpcCallSettings.<DeleteMetricDescriptorRequest, Empty>newBuilder()
             .setMethodDescriptor(deleteMetricDescriptorMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<DeleteMetricDescriptorRequest>() {
+                  @Override
+                  public Map<String, String> extract(DeleteMetricDescriptorRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<ListTimeSeriesRequest, ListTimeSeriesResponse>
         listTimeSeriesTransportSettings =
             GrpcCallSettings.<ListTimeSeriesRequest, ListTimeSeriesResponse>newBuilder()
                 .setMethodDescriptor(listTimeSeriesMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<ListTimeSeriesRequest>() {
+                      @Override
+                      public Map<String, String> extract(ListTimeSeriesRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<CreateTimeSeriesRequest, Empty> createTimeSeriesTransportSettings =
         GrpcCallSettings.<CreateTimeSeriesRequest, Empty>newBuilder()
             .setMethodDescriptor(createTimeSeriesMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<CreateTimeSeriesRequest>() {
+                  @Override
+                  public Map<String, String> extract(CreateTimeSeriesRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
 
     this.listMonitoredResourceDescriptorsCallable =
diff --git a/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcNotificationChannelServiceStub.java b/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcNotificationChannelServiceStub.java
index 97e85fecb798..1ee241a6e880 100644
--- a/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcNotificationChannelServiceStub.java
+++ b/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcNotificationChannelServiceStub.java
@@ -24,7 +24,9 @@
 import com.google.api.gax.grpc.GrpcCallSettings;
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
+import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
+import com.google.common.collect.ImmutableMap;
 import com.google.monitoring.v3.CreateNotificationChannelRequest;
 import com.google.monitoring.v3.DeleteNotificationChannelRequest;
 import com.google.monitoring.v3.GetNotificationChannelDescriptorRequest;
@@ -40,6 +42,7 @@
 import io.grpc.MethodDescriptor;
 import io.grpc.protobuf.ProtoUtils;
 import java.io.IOException;
+import java.util.Map;
 import java.util.concurrent.TimeUnit;
 import javax.annotation.Generated;
 
@@ -219,6 +222,16 @@ protected GrpcNotificationChannelServiceStub(
                     ListNotificationChannelDescriptorsResponse>
                     newBuilder()
                 .setMethodDescriptor(listNotificationChannelDescriptorsMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<ListNotificationChannelDescriptorsRequest>() {
+                      @Override
+                      public Map<String, String> extract(
+                          ListNotificationChannelDescriptorsRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<GetNotificationChannelDescriptorRequest, NotificationChannelDescriptor>
         getNotificationChannelDescriptorTransportSettings =
@@ -226,32 +239,89 @@ protected GrpcNotificationChannelServiceStub(
                 .<GetNotificationChannelDescriptorRequest, NotificationChannelDescriptor>
                     newBuilder()
                 .setMethodDescriptor(getNotificationChannelDescriptorMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<GetNotificationChannelDescriptorRequest>() {
+                      @Override
+                      public Map<String, String> extract(
+                          GetNotificationChannelDescriptorRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<ListNotificationChannelsRequest, ListNotificationChannelsResponse>
         listNotificationChannelsTransportSettings =
             GrpcCallSettings
                 .<ListNotificationChannelsRequest, ListNotificationChannelsResponse>newBuilder()
                 .setMethodDescriptor(listNotificationChannelsMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<ListNotificationChannelsRequest>() {
+                      @Override
+                      public Map<String, String> extract(ListNotificationChannelsRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<GetNotificationChannelRequest, NotificationChannel>
         getNotificationChannelTransportSettings =
             GrpcCallSettings.<GetNotificationChannelRequest, NotificationChannel>newBuilder()
                 .setMethodDescriptor(getNotificationChannelMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<GetNotificationChannelRequest>() {
+                      @Override
+                      public Map<String, String> extract(GetNotificationChannelRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<CreateNotificationChannelRequest, NotificationChannel>
         createNotificationChannelTransportSettings =
             GrpcCallSettings.<CreateNotificationChannelRequest, NotificationChannel>newBuilder()
                 .setMethodDescriptor(createNotificationChannelMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<CreateNotificationChannelRequest>() {
+                      @Override
+                      public Map<String, String> extract(CreateNotificationChannelRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<UpdateNotificationChannelRequest, NotificationChannel>
         updateNotificationChannelTransportSettings =
             GrpcCallSettings.<UpdateNotificationChannelRequest, NotificationChannel>newBuilder()
                 .setMethodDescriptor(updateNotificationChannelMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<UpdateNotificationChannelRequest>() {
+                      @Override
+                      public Map<String, String> extract(UpdateNotificationChannelRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put(
+                            "notification_channel.name",
+                            String.valueOf(request.getNotificationChannel().getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<DeleteNotificationChannelRequest, Empty>
         deleteNotificationChannelTransportSettings =
             GrpcCallSettings.<DeleteNotificationChannelRequest, Empty>newBuilder()
                 .setMethodDescriptor(deleteNotificationChannelMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<DeleteNotificationChannelRequest>() {
+                      @Override
+                      public Map<String, String> extract(DeleteNotificationChannelRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
 
     this.listNotificationChannelDescriptorsCallable =
diff --git a/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcUptimeCheckServiceStub.java b/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcUptimeCheckServiceStub.java
index d429882619e9..cf0d10b0a882 100644
--- a/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcUptimeCheckServiceStub.java
+++ b/google-cloud-clients/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcUptimeCheckServiceStub.java
@@ -24,7 +24,9 @@
 import com.google.api.gax.grpc.GrpcCallSettings;
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
+import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
+import com.google.common.collect.ImmutableMap;
 import com.google.monitoring.v3.CreateUptimeCheckConfigRequest;
 import com.google.monitoring.v3.DeleteUptimeCheckConfigRequest;
 import com.google.monitoring.v3.GetUptimeCheckConfigRequest;
@@ -38,6 +40,7 @@
 import io.grpc.MethodDescriptor;
 import io.grpc.protobuf.ProtoUtils;
 import java.io.IOException;
+import java.util.Map;
 import java.util.concurrent.TimeUnit;
 import javax.annotation.Generated;
 
@@ -175,26 +178,73 @@ protected GrpcUptimeCheckServiceStub(
             GrpcCallSettings
                 .<ListUptimeCheckConfigsRequest, ListUptimeCheckConfigsResponse>newBuilder()
                 .setMethodDescriptor(listUptimeCheckConfigsMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<ListUptimeCheckConfigsRequest>() {
+                      @Override
+                      public Map<String, String> extract(ListUptimeCheckConfigsRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("parent", String.valueOf(request.getParent()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<GetUptimeCheckConfigRequest, UptimeCheckConfig>
         getUptimeCheckConfigTransportSettings =
             GrpcCallSettings.<GetUptimeCheckConfigRequest, UptimeCheckConfig>newBuilder()
                 .setMethodDescriptor(getUptimeCheckConfigMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<GetUptimeCheckConfigRequest>() {
+                      @Override
+                      public Map<String, String> extract(GetUptimeCheckConfigRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<CreateUptimeCheckConfigRequest, UptimeCheckConfig>
         createUptimeCheckConfigTransportSettings =
             GrpcCallSettings.<CreateUptimeCheckConfigRequest, UptimeCheckConfig>newBuilder()
                 .setMethodDescriptor(createUptimeCheckConfigMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<CreateUptimeCheckConfigRequest>() {
+                      @Override
+                      public Map<String, String> extract(CreateUptimeCheckConfigRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("parent", String.valueOf(request.getParent()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<UpdateUptimeCheckConfigRequest, UptimeCheckConfig>
         updateUptimeCheckConfigTransportSettings =
             GrpcCallSettings.<UpdateUptimeCheckConfigRequest, UptimeCheckConfig>newBuilder()
                 .setMethodDescriptor(updateUptimeCheckConfigMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<UpdateUptimeCheckConfigRequest>() {
+                      @Override
+                      public Map<String, String> extract(UpdateUptimeCheckConfigRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put(
+                            "uptime_check_config.name",
+                            String.valueOf(request.getUptimeCheckConfig().getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<DeleteUptimeCheckConfigRequest, Empty>
         deleteUptimeCheckConfigTransportSettings =
             GrpcCallSettings.<DeleteUptimeCheckConfigRequest, Empty>newBuilder()
                 .setMethodDescriptor(deleteUptimeCheckConfigMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<DeleteUptimeCheckConfigRequest>() {
+                      @Override
+                      public Map<String, String> extract(DeleteUptimeCheckConfigRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<ListUptimeCheckIpsRequest, ListUptimeCheckIpsResponse>
         listUptimeCheckIpsTransportSettings =
diff --git a/google-cloud-clients/google-cloud-monitoring/synth.metadata b/google-cloud-clients/google-cloud-monitoring/synth.metadata
index c3a44433a82f..e08b7e3582c2 100644
--- a/google-cloud-clients/google-cloud-monitoring/synth.metadata
+++ b/google-cloud-clients/google-cloud-monitoring/synth.metadata
@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-03-27T07:50:46.085733Z",
+  "updateTime": "2019-03-28T07:49:55.263978Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.16.19",
-        "dockerImage": "googleapis/artman@sha256:70ba28fda87e032ae44e6df41b7fc342c1b0cce1ed90658c4890eb4f613038c2"
+        "version": "0.16.20",
+        "dockerImage": "googleapis/artman@sha256:e3c054a2fb85a12481c722af616c7fb6f1d02d862248385eecbec3e4240ebd1e"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "d4d57d766601105478c661132f2687e6984b92d5",
-        "internalRef": "240469931"
+        "sha": "6a84b3267b0a95e922608b9891219075047eee29",
+        "internalRef": "240640999"
       }
     }
   ],