diff --git a/core/java/android/view/textclassifier/ExtrasUtils.java b/core/java/android/view/textclassifier/ExtrasUtils.java
index 7b236747bae67..11e0e2ca072c0 100644
--- a/core/java/android/view/textclassifier/ExtrasUtils.java
+++ b/core/java/android/view/textclassifier/ExtrasUtils.java
@@ -36,6 +36,7 @@ import java.util.List;
 // TODO: Make this a TestApi for CTS testing.
 public final class ExtrasUtils {
 
+    // Keys for response objects.
     private static final String SERIALIZED_ENTITIES_DATA = "serialized-entities-data";
     private static final String ENTITIES_EXTRAS = "entities-extras";
     private static final String ACTION_INTENT = "action-intent";
@@ -48,6 +49,10 @@ public final class ExtrasUtils {
     private static final String TEXT_LANGUAGES = "text-languages";
     private static final String ENTITIES = "entities";
 
+    // Keys for request objects.
+    private static final String IS_SERIALIZED_ENTITY_DATA_ENABLED =
+            "is-serialized-entity-data-enabled";
+
     private ExtrasUtils() {}
 
     /**
@@ -308,7 +313,23 @@ public final class ExtrasUtils {
     /**
      * Returns a list of entities contained in the {@code extra}.
      */
+    @Nullable
     public static List<Bundle> getEntities(Bundle container) {
         return container.getParcelableArrayList(ENTITIES);
     }
+
+    /**
+     * Whether the annotator should populate serialized entity data into the result object.
+     */
+    public static boolean isSerializedEntityDataEnabled(TextLinks.Request request) {
+        return request.getExtras().getBoolean(IS_SERIALIZED_ENTITY_DATA_ENABLED);
+    }
+
+    /**
+     * To indicate whether the annotator should populate serialized entity data in the result
+     * object.
+     */
+    public static void putIsSerializedEntityDataEnabled(Bundle bundle, boolean isEnabled) {
+        bundle.putBoolean(IS_SERIALIZED_ENTITY_DATA_ENABLED, isEnabled);
+    }
 }
diff --git a/core/java/android/view/textclassifier/TextClassifierImpl.java b/core/java/android/view/textclassifier/TextClassifierImpl.java
index ed6ec54986ad5..3297523b0da9f 100644
--- a/core/java/android/view/textclassifier/TextClassifierImpl.java
+++ b/core/java/android/view/textclassifier/TextClassifierImpl.java
@@ -307,6 +307,8 @@ public final class TextClassifierImpl implements TextClassifier {
             final String detectLanguageTags = detectLanguageTagsFromText(request.getText());
             final AnnotatorModel annotatorImpl =
                     getAnnotatorImpl(request.getDefaultLocales());
+            final boolean isSerializedEntityDataEnabled =
+                    ExtrasUtils.isSerializedEntityDataEnabled(request);
             final AnnotatorModel.AnnotatedSpan[] annotations =
                     annotatorImpl.annotate(
                             textString,
@@ -314,7 +316,10 @@ public final class TextClassifierImpl implements TextClassifier {
                                     refTime.toInstant().toEpochMilli(),
                                     refTime.getZone().getId(),
                                     localesString,
-                                    detectLanguageTags));
+                                    detectLanguageTags,
+                                    entitiesToIdentify,
+                                    AnnotatorModel.AnnotationUsecase.SMART.getValue(),
+                                    isSerializedEntityDataEnabled));
             for (AnnotatorModel.AnnotatedSpan span : annotations) {
                 final AnnotatorModel.ClassificationResult[] results =
                         span.getClassification();
@@ -326,7 +331,11 @@ public final class TextClassifierImpl implements TextClassifier {
                 for (int i = 0; i < results.length; i++) {
                     entityScores.put(results[i].getCollection(), results[i].getScore());
                 }
-                builder.addLink(span.getStartIndex(), span.getEndIndex(), entityScores);
+                Bundle extras = new Bundle();
+                if (isSerializedEntityDataEnabled) {
+                    ExtrasUtils.putEntities(extras, results);
+                }
+                builder.addLink(span.getStartIndex(), span.getEndIndex(), entityScores, extras);
             }
             final TextLinks links = builder.build();
             final long endTimeMs = System.currentTimeMillis();
diff --git a/core/tests/coretests/src/android/view/textclassifier/TextClassifierTest.java b/core/tests/coretests/src/android/view/textclassifier/TextClassifierTest.java
index 79512a744f52a..aeb8949c69767 100644
--- a/core/tests/coretests/src/android/view/textclassifier/TextClassifierTest.java
+++ b/core/tests/coretests/src/android/view/textclassifier/TextClassifierTest.java
@@ -361,6 +361,38 @@ public class TextClassifierTest {
         mClassifier.generateLinks(request);
     }
 
+    @Test
+    public void testGenerateLinks_entityData() {
+        if (isTextClassifierDisabled()) return;
+        String text = "The number is +12122537077.";
+        Bundle extras = new Bundle();
+        ExtrasUtils.putIsSerializedEntityDataEnabled(extras, true);
+        TextLinks.Request request = new TextLinks.Request.Builder(text).setExtras(extras).build();
+
+        TextLinks textLinks = mClassifier.generateLinks(request);
+
+        Truth.assertThat(textLinks.getLinks()).hasSize(1);
+        TextLinks.TextLink textLink = textLinks.getLinks().iterator().next();
+        List<Bundle> entities = ExtrasUtils.getEntities(textLink.getExtras());
+        Truth.assertThat(entities).hasSize(1);
+        Bundle entity = entities.get(0);
+        Truth.assertThat(ExtrasUtils.getEntityType(entity)).isEqualTo(TextClassifier.TYPE_PHONE);
+    }
+
+    @Test
+    public void testGenerateLinks_entityData_disabled() {
+        if (isTextClassifierDisabled()) return;
+        String text = "The number is +12122537077.";
+        TextLinks.Request request = new TextLinks.Request.Builder(text).build();
+
+        TextLinks textLinks = mClassifier.generateLinks(request);
+
+        Truth.assertThat(textLinks.getLinks()).hasSize(1);
+        TextLinks.TextLink textLink = textLinks.getLinks().iterator().next();
+        List<Bundle> entities = ExtrasUtils.getEntities(textLink.getExtras());
+        Truth.assertThat(entities).isNull();
+    }
+
     @Test
     public void testDetectLanguage() {
         if (isTextClassifierDisabled()) return;