diff --git a/google-cloud-clients/google-cloud-containeranalysis/src/main/java/com/google/cloud/devtools/containeranalysis/v1beta1/stub/GrpcContainerAnalysisV1Beta1Stub.java b/google-cloud-clients/google-cloud-containeranalysis/src/main/java/com/google/cloud/devtools/containeranalysis/v1beta1/stub/GrpcContainerAnalysisV1Beta1Stub.java
index f5315ad444aa..4c2a43197e35 100644
--- a/google-cloud-clients/google-cloud-containeranalysis/src/main/java/com/google/cloud/devtools/containeranalysis/v1beta1/stub/GrpcContainerAnalysisV1Beta1Stub.java
+++ b/google-cloud-clients/google-cloud-containeranalysis/src/main/java/com/google/cloud/devtools/containeranalysis/v1beta1/stub/GrpcContainerAnalysisV1Beta1Stub.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.containeranalysis.v1beta1.GetScanConfigRequest;
 import com.google.containeranalysis.v1beta1.ListScanConfigsRequest;
 import com.google.containeranalysis.v1beta1.ListScanConfigsResponse;
@@ -37,6 +39,7 @@
 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;
 
@@ -167,28 +170,82 @@ protected GrpcContainerAnalysisV1Beta1Stub(
     GrpcCallSettings<SetIamPolicyRequest, Policy> setIamPolicyTransportSettings =
         GrpcCallSettings.<SetIamPolicyRequest, Policy>newBuilder()
             .setMethodDescriptor(setIamPolicyMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<SetIamPolicyRequest>() {
+                  @Override
+                  public Map<String, String> extract(SetIamPolicyRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("resource", String.valueOf(request.getResource()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<GetIamPolicyRequest, Policy> getIamPolicyTransportSettings =
         GrpcCallSettings.<GetIamPolicyRequest, Policy>newBuilder()
             .setMethodDescriptor(getIamPolicyMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<GetIamPolicyRequest>() {
+                  @Override
+                  public Map<String, String> extract(GetIamPolicyRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("resource", String.valueOf(request.getResource()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<TestIamPermissionsRequest, TestIamPermissionsResponse>
         testIamPermissionsTransportSettings =
             GrpcCallSettings.<TestIamPermissionsRequest, TestIamPermissionsResponse>newBuilder()
                 .setMethodDescriptor(testIamPermissionsMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<TestIamPermissionsRequest>() {
+                      @Override
+                      public Map<String, String> extract(TestIamPermissionsRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("resource", String.valueOf(request.getResource()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<GetScanConfigRequest, ScanConfig> getScanConfigTransportSettings =
         GrpcCallSettings.<GetScanConfigRequest, ScanConfig>newBuilder()
             .setMethodDescriptor(getScanConfigMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<GetScanConfigRequest>() {
+                  @Override
+                  public Map<String, String> extract(GetScanConfigRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<ListScanConfigsRequest, ListScanConfigsResponse>
         listScanConfigsTransportSettings =
             GrpcCallSettings.<ListScanConfigsRequest, ListScanConfigsResponse>newBuilder()
                 .setMethodDescriptor(listScanConfigsMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<ListScanConfigsRequest>() {
+                      @Override
+                      public Map<String, String> extract(ListScanConfigsRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("parent", String.valueOf(request.getParent()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<UpdateScanConfigRequest, ScanConfig> updateScanConfigTransportSettings =
         GrpcCallSettings.<UpdateScanConfigRequest, ScanConfig>newBuilder()
             .setMethodDescriptor(updateScanConfigMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<UpdateScanConfigRequest>() {
+                  @Override
+                  public Map<String, String> extract(UpdateScanConfigRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
 
     this.setIamPolicyCallable =
diff --git a/google-cloud-clients/google-cloud-containeranalysis/src/main/java/com/google/cloud/devtools/containeranalysis/v1beta1/stub/GrpcGrafeasV1Beta1Stub.java b/google-cloud-clients/google-cloud-containeranalysis/src/main/java/com/google/cloud/devtools/containeranalysis/v1beta1/stub/GrpcGrafeasV1Beta1Stub.java
index e8bb2577d884..f03a55b149a6 100644
--- a/google-cloud-clients/google-cloud-containeranalysis/src/main/java/com/google/cloud/devtools/containeranalysis/v1beta1/stub/GrpcGrafeasV1Beta1Stub.java
+++ b/google-cloud-clients/google-cloud-containeranalysis/src/main/java/com/google/cloud/devtools/containeranalysis/v1beta1/stub/GrpcGrafeasV1Beta1Stub.java
@@ -25,7 +25,9 @@
 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.protobuf.Empty;
 import io.grafeas.v1beta1.BatchCreateNotesRequest;
 import io.grafeas.v1beta1.BatchCreateNotesResponse;
@@ -53,6 +55,7 @@
 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;
 
@@ -278,63 +281,189 @@ protected GrpcGrafeasV1Beta1Stub(
     GrpcCallSettings<GetOccurrenceRequest, Occurrence> getOccurrenceTransportSettings =
         GrpcCallSettings.<GetOccurrenceRequest, Occurrence>newBuilder()
             .setMethodDescriptor(getOccurrenceMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<GetOccurrenceRequest>() {
+                  @Override
+                  public Map<String, String> extract(GetOccurrenceRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<ListOccurrencesRequest, ListOccurrencesResponse>
         listOccurrencesTransportSettings =
             GrpcCallSettings.<ListOccurrencesRequest, ListOccurrencesResponse>newBuilder()
                 .setMethodDescriptor(listOccurrencesMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<ListOccurrencesRequest>() {
+                      @Override
+                      public Map<String, String> extract(ListOccurrencesRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("parent", String.valueOf(request.getParent()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<DeleteOccurrenceRequest, Empty> deleteOccurrenceTransportSettings =
         GrpcCallSettings.<DeleteOccurrenceRequest, Empty>newBuilder()
             .setMethodDescriptor(deleteOccurrenceMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<DeleteOccurrenceRequest>() {
+                  @Override
+                  public Map<String, String> extract(DeleteOccurrenceRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<CreateOccurrenceRequest, Occurrence> createOccurrenceTransportSettings =
         GrpcCallSettings.<CreateOccurrenceRequest, Occurrence>newBuilder()
             .setMethodDescriptor(createOccurrenceMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<CreateOccurrenceRequest>() {
+                  @Override
+                  public Map<String, String> extract(CreateOccurrenceRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("parent", String.valueOf(request.getParent()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<BatchCreateOccurrencesRequest, BatchCreateOccurrencesResponse>
         batchCreateOccurrencesTransportSettings =
             GrpcCallSettings
                 .<BatchCreateOccurrencesRequest, BatchCreateOccurrencesResponse>newBuilder()
                 .setMethodDescriptor(batchCreateOccurrencesMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<BatchCreateOccurrencesRequest>() {
+                      @Override
+                      public Map<String, String> extract(BatchCreateOccurrencesRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("parent", String.valueOf(request.getParent()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<UpdateOccurrenceRequest, Occurrence> updateOccurrenceTransportSettings =
         GrpcCallSettings.<UpdateOccurrenceRequest, Occurrence>newBuilder()
             .setMethodDescriptor(updateOccurrenceMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<UpdateOccurrenceRequest>() {
+                  @Override
+                  public Map<String, String> extract(UpdateOccurrenceRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<GetOccurrenceNoteRequest, Note> getOccurrenceNoteTransportSettings =
         GrpcCallSettings.<GetOccurrenceNoteRequest, Note>newBuilder()
             .setMethodDescriptor(getOccurrenceNoteMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<GetOccurrenceNoteRequest>() {
+                  @Override
+                  public Map<String, String> extract(GetOccurrenceNoteRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<GetNoteRequest, Note> getNoteTransportSettings =
         GrpcCallSettings.<GetNoteRequest, Note>newBuilder()
             .setMethodDescriptor(getNoteMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<GetNoteRequest>() {
+                  @Override
+                  public Map<String, String> extract(GetNoteRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<ListNotesRequest, ListNotesResponse> listNotesTransportSettings =
         GrpcCallSettings.<ListNotesRequest, ListNotesResponse>newBuilder()
             .setMethodDescriptor(listNotesMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<ListNotesRequest>() {
+                  @Override
+                  public Map<String, String> extract(ListNotesRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("parent", String.valueOf(request.getParent()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<DeleteNoteRequest, Empty> deleteNoteTransportSettings =
         GrpcCallSettings.<DeleteNoteRequest, Empty>newBuilder()
             .setMethodDescriptor(deleteNoteMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<DeleteNoteRequest>() {
+                  @Override
+                  public Map<String, String> extract(DeleteNoteRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<CreateNoteRequest, Note> createNoteTransportSettings =
         GrpcCallSettings.<CreateNoteRequest, Note>newBuilder()
             .setMethodDescriptor(createNoteMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<CreateNoteRequest>() {
+                  @Override
+                  public Map<String, String> extract(CreateNoteRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("parent", String.valueOf(request.getParent()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<BatchCreateNotesRequest, BatchCreateNotesResponse>
         batchCreateNotesTransportSettings =
             GrpcCallSettings.<BatchCreateNotesRequest, BatchCreateNotesResponse>newBuilder()
                 .setMethodDescriptor(batchCreateNotesMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<BatchCreateNotesRequest>() {
+                      @Override
+                      public Map<String, String> extract(BatchCreateNotesRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("parent", String.valueOf(request.getParent()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<UpdateNoteRequest, Note> updateNoteTransportSettings =
         GrpcCallSettings.<UpdateNoteRequest, Note>newBuilder()
             .setMethodDescriptor(updateNoteMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<UpdateNoteRequest>() {
+                  @Override
+                  public Map<String, String> extract(UpdateNoteRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
             .build();
     GrpcCallSettings<ListNoteOccurrencesRequest, ListNoteOccurrencesResponse>
         listNoteOccurrencesTransportSettings =
             GrpcCallSettings.<ListNoteOccurrencesRequest, ListNoteOccurrencesResponse>newBuilder()
                 .setMethodDescriptor(listNoteOccurrencesMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<ListNoteOccurrencesRequest>() {
+                      @Override
+                      public Map<String, String> extract(ListNoteOccurrencesRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("name", String.valueOf(request.getName()));
+                        return params.build();
+                      }
+                    })
                 .build();
     GrpcCallSettings<GetVulnerabilityOccurrencesSummaryRequest, VulnerabilityOccurrencesSummary>
         getVulnerabilityOccurrencesSummaryTransportSettings =
@@ -342,6 +471,16 @@ protected GrpcGrafeasV1Beta1Stub(
                 .<GetVulnerabilityOccurrencesSummaryRequest, VulnerabilityOccurrencesSummary>
                     newBuilder()
                 .setMethodDescriptor(getVulnerabilityOccurrencesSummaryMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<GetVulnerabilityOccurrencesSummaryRequest>() {
+                      @Override
+                      public Map<String, String> extract(
+                          GetVulnerabilityOccurrencesSummaryRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("parent", String.valueOf(request.getParent()));
+                        return params.build();
+                      }
+                    })
                 .build();
 
     this.getOccurrenceCallable =
diff --git a/google-cloud-clients/google-cloud-containeranalysis/synth.metadata b/google-cloud-clients/google-cloud-containeranalysis/synth.metadata
index 8ad97fed5aba..f20b69a1e5e0 100644
--- a/google-cloud-clients/google-cloud-containeranalysis/synth.metadata
+++ b/google-cloud-clients/google-cloud-containeranalysis/synth.metadata
@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-03-06T08:38:24.918772Z",
+  "updateTime": "2019-03-28T07:39:28.087076Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.16.15",
-        "dockerImage": "googleapis/artman@sha256:9caadfa59d48224cba5f3217eb9d61a155b78ccf31e628abef385bc5b7ed3bd2"
+        "version": "0.16.20",
+        "dockerImage": "googleapis/artman@sha256:e3c054a2fb85a12481c722af616c7fb6f1d02d862248385eecbec3e4240ebd1e"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "856117505ff9075b3e9c0b5674113667b6cf9e00",
-        "internalRef": "236931378"
+        "sha": "6a84b3267b0a95e922608b9891219075047eee29",
+        "internalRef": "240640999"
       }
     }
   ],