diff --git a/core/java/android/app/trust/ITrustManager.aidl b/core/java/android/app/trust/ITrustManager.aidl
index 9985cc02965be..6d27103ac4cc2 100644
--- a/core/java/android/app/trust/ITrustManager.aidl
+++ b/core/java/android/app/trust/ITrustManager.aidl
@@ -26,6 +26,7 @@ import android.hardware.biometrics.BiometricSourceType;
  */
 interface ITrustManager {
     void reportUnlockAttempt(boolean successful, int userId);
+    void reportUserRequestedUnlock(int userId);
     void reportUnlockLockout(int timeoutMs, int userId);
     void reportEnabledTrustAgentsChanged(int userId);
     void registerTrustListener(in ITrustListener trustListener);
diff --git a/core/java/android/app/trust/TrustManager.java b/core/java/android/app/trust/TrustManager.java
index 177de835554bf..4b2c1631aa924 100644
--- a/core/java/android/app/trust/TrustManager.java
+++ b/core/java/android/app/trust/TrustManager.java
@@ -84,6 +84,19 @@ public class TrustManager {
         }
     }
 
+    /**
+     * Reports that the user {@code userId} is likely interested in unlocking the device.
+     *
+     * Requires the {@link android.Manifest.permission#ACCESS_KEYGUARD_SECURE_STORAGE} permission.
+     */
+    public void reportUserRequestedUnlock(int userId) {
+        try {
+            mService.reportUserRequestedUnlock(userId);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
     /**
      * Reports that user {@param userId} has entered a temporary device lockout.
      *
diff --git a/core/java/android/service/trust/ITrustAgentService.aidl b/core/java/android/service/trust/ITrustAgentService.aidl
index 21661db0606a6..ec3b8575ed360 100644
--- a/core/java/android/service/trust/ITrustAgentService.aidl
+++ b/core/java/android/service/trust/ITrustAgentService.aidl
@@ -25,6 +25,7 @@ import android.service.trust.ITrustAgentServiceCallback;
  */
 interface ITrustAgentService {
     oneway void onUnlockAttempt(boolean successful);
+    oneway void onUserRequestedUnlock();
     oneway void onUnlockLockout(int timeoutMs);
     oneway void onTrustTimeout();
     oneway void onDeviceLocked();
diff --git a/core/java/android/service/trust/TrustAgentService.java b/core/java/android/service/trust/TrustAgentService.java
index 22ed1b8138b93..fba61cfd801ec 100644
--- a/core/java/android/service/trust/TrustAgentService.java
+++ b/core/java/android/service/trust/TrustAgentService.java
@@ -186,6 +186,7 @@ public class TrustAgentService extends Service {
     private static final int MSG_ESCROW_TOKEN_ADDED = 7;
     private static final int MSG_ESCROW_TOKEN_STATE_RECEIVED = 8;
     private static final int MSG_ESCROW_TOKEN_REMOVED = 9;
+    private static final int MSG_USER_REQUESTED_UNLOCK = 10;
 
     private static final String EXTRA_TOKEN = "token";
     private static final String EXTRA_TOKEN_HANDLE = "token_handle";
@@ -219,6 +220,9 @@ public class TrustAgentService extends Service {
                 case MSG_UNLOCK_ATTEMPT:
                     onUnlockAttempt(msg.arg1 != 0);
                     break;
+                case MSG_USER_REQUESTED_UNLOCK:
+                    onUserRequestedUnlock();
+                    break;
                 case MSG_UNLOCK_LOCKOUT:
                     onDeviceUnlockLockout(msg.arg1);
                     break;
@@ -306,7 +310,7 @@ public class TrustAgentService extends Service {
      *
      * @see #FLAG_GRANT_TRUST_TEMPORARY_AND_RENEWABLE
      *
-     * TODO(b/213631672): Hook up call from system server & SystemUI, then un-hide
+     * TODO(b/213631672): Add CTS tests
      * @hide
      */
     public void onUserRequestedUnlock() {
@@ -664,6 +668,11 @@ public class TrustAgentService extends Service {
             mHandler.obtainMessage(MSG_UNLOCK_ATTEMPT, successful ? 1 : 0, 0).sendToTarget();
         }
 
+        @Override
+        public void onUserRequestedUnlock() {
+            mHandler.obtainMessage(MSG_USER_REQUESTED_UNLOCK).sendToTarget();
+        }
+
         @Override
         public void onUnlockLockout(int timeoutMs) {
             mHandler.obtainMessage(MSG_UNLOCK_LOCKOUT, timeoutMs, 0).sendToTarget();
diff --git a/services/core/java/com/android/server/trust/TrustAgentWrapper.java b/services/core/java/com/android/server/trust/TrustAgentWrapper.java
index 79231f7097385..593250cb9293b 100644
--- a/services/core/java/com/android/server/trust/TrustAgentWrapper.java
+++ b/services/core/java/com/android/server/trust/TrustAgentWrapper.java
@@ -460,6 +460,19 @@ public class TrustAgentWrapper {
         }
     }
 
+    /**
+     * @see android.service.trust.TrustAgentService#onUserRequestedUnlock()
+     */
+    public void onUserRequestedUnlock() {
+        try {
+            if (mTrustAgentService != null) {
+                mTrustAgentService.onUserRequestedUnlock();
+            }
+        } catch (RemoteException e) {
+            onError(e);
+        }
+    }
+
     /**
      * @see android.service.trust.TrustAgentService#onUnlockLockout(int)
      */
diff --git a/services/core/java/com/android/server/trust/TrustManagerService.java b/services/core/java/com/android/server/trust/TrustManagerService.java
index 4b71742c86c82..206e70fddbbe9 100644
--- a/services/core/java/com/android/server/trust/TrustManagerService.java
+++ b/services/core/java/com/android/server/trust/TrustManagerService.java
@@ -122,6 +122,7 @@ public class TrustManagerService extends SystemService {
     private static final int MSG_DISPATCH_UNLOCK_LOCKOUT = 13;
     private static final int MSG_REFRESH_DEVICE_LOCKED_FOR_USER = 14;
     private static final int MSG_SCHEDULE_TRUST_TIMEOUT = 15;
+    public static final int MSG_USER_REQUESTED_UNLOCK = 16;
 
     private static final int TRUST_USUALLY_MANAGED_FLUSH_DELAY = 2 * 60 * 1000;
     private static final String TRUST_TIMEOUT_ALARM_TAG = "TrustManagerService.trustTimeoutForUser";
@@ -963,6 +964,15 @@ public class TrustManagerService extends SystemService {
         }
     }
 
+    private void dispatchUserRequestedUnlock(int userId) {
+        for (int i = 0; i < mActiveAgents.size(); i++) {
+            AgentInfo info = mActiveAgents.valueAt(i);
+            if (info.userId == userId) {
+                info.agent.onUserRequestedUnlock();
+            }
+        }
+    }
+
     private void dispatchUnlockLockout(int timeoutMs, int userId) {
         for (int i = 0; i < mActiveAgents.size(); i++) {
             AgentInfo info = mActiveAgents.valueAt(i);
@@ -1091,6 +1101,12 @@ public class TrustManagerService extends SystemService {
                     .sendToTarget();
         }
 
+        @Override
+        public void reportUserRequestedUnlock(int userId) throws RemoteException {
+            enforceReportPermission();
+            mHandler.obtainMessage(MSG_USER_REQUESTED_UNLOCK, userId).sendToTarget();
+        }
+
         @Override
         public void reportUnlockLockout(int timeoutMs, int userId) throws RemoteException {
             enforceReportPermission();
@@ -1364,6 +1380,9 @@ public class TrustManagerService extends SystemService {
                 case MSG_DISPATCH_UNLOCK_ATTEMPT:
                     dispatchUnlockAttempt(msg.arg1 != 0, msg.arg2);
                     break;
+                case MSG_USER_REQUESTED_UNLOCK:
+                    dispatchUserRequestedUnlock(msg.arg1);
+                    break;
                 case MSG_DISPATCH_UNLOCK_LOCKOUT:
                     dispatchUnlockLockout(msg.arg1, msg.arg2);
                     break;