diff --git a/google-cloud-clients/google-cloud-asset/src/main/java/com/google/cloud/asset/v1beta1/stub/GrpcAssetServiceStub.java b/google-cloud-clients/google-cloud-asset/src/main/java/com/google/cloud/asset/v1beta1/stub/GrpcAssetServiceStub.java
index 1fa7a30c55e8..17f059b0a467 100644
--- a/google-cloud-clients/google-cloud-asset/src/main/java/com/google/cloud/asset/v1beta1/stub/GrpcAssetServiceStub.java
+++ b/google-cloud-clients/google-cloud-asset/src/main/java/com/google/cloud/asset/v1beta1/stub/GrpcAssetServiceStub.java
@@ -22,16 +22,19 @@
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
 import com.google.api.gax.rpc.OperationCallable;
+import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.cloud.asset.v1beta1.BatchGetAssetsHistoryRequest;
 import com.google.cloud.asset.v1beta1.BatchGetAssetsHistoryResponse;
 import com.google.cloud.asset.v1beta1.ExportAssetsRequest;
 import com.google.cloud.asset.v1beta1.ExportAssetsResponse;
+import com.google.common.collect.ImmutableMap;
 import com.google.longrunning.Operation;
 import com.google.longrunning.stub.GrpcOperationsStub;
 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;
 
@@ -116,12 +119,30 @@ protected GrpcAssetServiceStub(
     GrpcCallSettings<ExportAssetsRequest, Operation> exportAssetsTransportSettings =
         GrpcCallSettings.<ExportAssetsRequest, Operation>newBuilder()
             .setMethodDescriptor(exportAssetsMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<ExportAssetsRequest>() {
+                  @Override
+                  public Map<String, String> extract(ExportAssetsRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("parent", String.valueOf(request.getParent()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<BatchGetAssetsHistoryRequest, BatchGetAssetsHistoryResponse>
         batchGetAssetsHistoryTransportSettings =
             GrpcCallSettings
                 .<BatchGetAssetsHistoryRequest, BatchGetAssetsHistoryResponse>newBuilder()
                 .setMethodDescriptor(batchGetAssetsHistoryMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<BatchGetAssetsHistoryRequest>() {
+                      @Override
+                      public Map<String, String> extract(BatchGetAssetsHistoryRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("parent", String.valueOf(request.getParent()));
+                        return params.build();
+                      }
+                    })
                 .build();
 
     this.exportAssetsCallable =
diff --git a/google-cloud-clients/google-cloud-asset/synth.metadata b/google-cloud-clients/google-cloud-asset/synth.metadata
index 4456bcc85276..d5abb54d674b 100644
--- a/google-cloud-clients/google-cloud-asset/synth.metadata
+++ b/google-cloud-clients/google-cloud-asset/synth.metadata
@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-02-26T08:33:09.405147Z",
+  "updateTime": "2019-03-28T07:33:38.941289Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.16.14",
-        "dockerImage": "googleapis/artman@sha256:f3d61ae45abaeefb6be5f228cda22732c2f1b00fb687c79c4bd4f2c42bb1e1a7"
+        "version": "0.16.20",
+        "dockerImage": "googleapis/artman@sha256:e3c054a2fb85a12481c722af616c7fb6f1d02d862248385eecbec3e4240ebd1e"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "29f098cb03a9983cc9cb15993de5da64419046f2",
-        "internalRef": "235621085"
+        "sha": "6a84b3267b0a95e922608b9891219075047eee29",
+        "internalRef": "240640999"
       }
     }
   ],