diff --git a/src/com/android/phone/ImsRcsController.java b/src/com/android/phone/ImsRcsController.java
index 5e616b7..ad33302 100644
--- a/src/com/android/phone/ImsRcsController.java
+++ b/src/com/android/phone/ImsRcsController.java
@@ -28,6 +28,7 @@
 import android.telephony.TelephonyFrameworkInitializer;
 import android.telephony.ims.DelegateRequest;
 import android.telephony.ims.ImsException;
+import android.telephony.ims.RcsContactUceCapability;
 import android.telephony.ims.RcsUceAdapter.PublishState;
 import android.telephony.ims.RegistrationManager;
 import android.telephony.ims.aidl.IImsCapabilityCallback;
@@ -56,6 +57,7 @@
 import com.android.services.telephony.rcs.UceControllerManager;
 
 import java.util.List;
+import java.util.Set;
 
 /**
  * Implementation of the IImsRcsController interface.
@@ -336,6 +338,82 @@
         }
     }
 
+    /**
+     * Add new feature tags to the Set used to calculate the capabilities in PUBLISH.
+     */
+    // Used for SHELL command only right now.
+    public RcsContactUceCapability addUceRegistrationOverrideShell(int subId,
+            Set<String> featureTags) throws ImsException {
+        // Permission check happening in PhoneInterfaceManager.
+        UceControllerManager uceCtrlManager = getRcsFeatureController(subId).getFeature(
+                UceControllerManager.class);
+        if (uceCtrlManager == null) {
+            return null;
+        }
+        return uceCtrlManager.addUceRegistrationOverride(featureTags);
+    }
+
+    /**
+     * Remove existing feature tags to the Set used to calculate the capabilities in PUBLISH.
+     */
+    // Used for SHELL command only right now.
+    public RcsContactUceCapability removeUceRegistrationOverrideShell(int subId,
+            Set<String> featureTags) throws ImsException {
+        // Permission check happening in PhoneInterfaceManager.
+        UceControllerManager uceCtrlManager = getRcsFeatureController(subId).getFeature(
+                UceControllerManager.class);
+        if (uceCtrlManager == null) {
+            return null;
+        }
+        return uceCtrlManager.removeUceRegistrationOverride(featureTags);
+    }
+
+    /**
+     * Clear all overrides in the Set used to calculate the capabilities in PUBLISH.
+     */
+    // Used for SHELL command only right now.
+    public RcsContactUceCapability clearUceRegistrationOverrideShell(int subId)
+            throws ImsException {
+        // Permission check happening in PhoneInterfaceManager.
+        UceControllerManager uceCtrlManager = getRcsFeatureController(subId).getFeature(
+                UceControllerManager.class);
+        if (uceCtrlManager == null) {
+            return null;
+        }
+        return uceCtrlManager.clearUceRegistrationOverride();
+    }
+
+    /**
+     * @return current RcsContactUceCapability instance that will be used for PUBLISH.
+     */
+    // Used for SHELL command only right now.
+    public RcsContactUceCapability getLatestRcsContactUceCapabilityShell(int subId)
+            throws ImsException {
+        // Permission check happening in PhoneInterfaceManager.
+        UceControllerManager uceCtrlManager = getRcsFeatureController(subId).getFeature(
+                UceControllerManager.class);
+        if (uceCtrlManager == null) {
+            return null;
+        }
+        return uceCtrlManager.getLatestRcsContactUceCapability();
+    }
+
+    /**
+     * @return the PIDf XML used in the last PUBLISH procedure or "none" if the device is not
+     * published. Returns {@code null} if the operation failed due to an error.
+     */
+    // Used for SHELL command only right now.
+    public String getLastUcePidfXmlShell(int subId) throws ImsException {
+        // Permission check happening in PhoneInterfaceManager.
+        UceControllerManager uceCtrlManager = getRcsFeatureController(subId).getFeature(
+                UceControllerManager.class);
+        if (uceCtrlManager == null) {
+            return null;
+        }
+        String pidfXml = uceCtrlManager.getLastPidfXml();
+        return pidfXml == null ? "none" : pidfXml;
+    }
+
     @Override
     public void registerUcePublishStateCallback(int subId, IRcsUcePublishStateCallback c) {
         enforceReadPrivilegedPermission("registerUcePublishStateCallback");
diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index 2c282f7..cd207aa 100755
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -114,6 +114,7 @@
 import android.telephony.ims.ImsException;
 import android.telephony.ims.ProvisioningManager;
 import android.telephony.ims.RcsClientConfiguration;
+import android.telephony.ims.RcsContactUceCapability;
 import android.telephony.ims.RegistrationManager;
 import android.telephony.ims.aidl.IImsCapabilityCallback;
 import android.telephony.ims.aidl.IImsConfig;
@@ -10130,6 +10131,104 @@
         }
     }
 
+    /**
+     * Add new feature tags to the Set used to calculate the capabilities in PUBLISH.
+     * @return current RcsContactUceCapability instance that will be used for PUBLISH.
+     */
+    // Used for SHELL command only right now.
+    @Override
+    public RcsContactUceCapability addUceRegistrationOverrideShell(int subId,
+            List<String> featureTags) {
+        TelephonyPermissions.enforceShellOnly(Binder.getCallingUid(),
+                "addUceRegistrationOverrideShell");
+        final long identity = Binder.clearCallingIdentity();
+        try {
+            return mApp.imsRcsController.addUceRegistrationOverrideShell(subId,
+                    new ArraySet<>(featureTags));
+        } catch (ImsException e) {
+            throw new ServiceSpecificException(e.getCode(), e.getMessage());
+        } finally {
+            Binder.restoreCallingIdentity(identity);
+        }
+    }
+
+    /**
+     * Remove existing feature tags to the Set used to calculate the capabilities in PUBLISH.
+     * @return current RcsContactUceCapability instance that will be used for PUBLISH.
+     */
+    // Used for SHELL command only right now.
+    @Override
+    public RcsContactUceCapability removeUceRegistrationOverrideShell(int subId,
+            List<String> featureTags) {
+        TelephonyPermissions.enforceShellOnly(Binder.getCallingUid(),
+                "removeUceRegistrationOverrideShell");
+        final long identity = Binder.clearCallingIdentity();
+        try {
+            return mApp.imsRcsController.removeUceRegistrationOverrideShell(subId,
+                    new ArraySet<>(featureTags));
+        } catch (ImsException e) {
+            throw new ServiceSpecificException(e.getCode(), e.getMessage());
+        } finally {
+            Binder.restoreCallingIdentity(identity);
+        }
+    }
+
+    /**
+     * Clear all overrides in the Set used to calculate the capabilities in PUBLISH.
+     * @return current RcsContactUceCapability instance that will be used for PUBLISH.
+     */
+    // Used for SHELL command only right now.
+    @Override
+    public RcsContactUceCapability clearUceRegistrationOverrideShell(int subId) {
+        TelephonyPermissions.enforceShellOnly(Binder.getCallingUid(),
+                "clearUceRegistrationOverrideShell");
+        final long identity = Binder.clearCallingIdentity();
+        try {
+            return mApp.imsRcsController.clearUceRegistrationOverrideShell(subId);
+        } catch (ImsException e) {
+            throw new ServiceSpecificException(e.getCode(), e.getMessage());
+        } finally {
+            Binder.restoreCallingIdentity(identity);
+        }
+    }
+
+    /**
+     * @return current RcsContactUceCapability instance that will be used for PUBLISH.
+     */
+    // Used for SHELL command only right now.
+    @Override
+    public RcsContactUceCapability getLatestRcsContactUceCapabilityShell(int subId) {
+        TelephonyPermissions.enforceShellOnly(Binder.getCallingUid(),
+                "getLatestRcsContactUceCapabilityShell");
+        final long identity = Binder.clearCallingIdentity();
+        try {
+            return mApp.imsRcsController.getLatestRcsContactUceCapabilityShell(subId);
+        } catch (ImsException e) {
+            throw new ServiceSpecificException(e.getCode(), e.getMessage());
+        } finally {
+            Binder.restoreCallingIdentity(identity);
+        }
+    }
+
+    /**
+     * Returns the last PIDF XML sent to the network during the last PUBLISH or "none" if the
+     * device does not have an active PUBLISH.
+     */
+    // Used for SHELL command only right now.
+    @Override
+    public String getLastUcePidfXmlShell(int subId) {
+        TelephonyPermissions.enforceShellOnly(Binder.getCallingUid(), "uceGetLastPidfXml");
+        final long identity = Binder.clearCallingIdentity();
+        try {
+            return mApp.imsRcsController.getLastUcePidfXmlShell(subId);
+        } catch (ImsException e) {
+            throw new ServiceSpecificException(e.getCode(), e.getMessage());
+        } finally {
+            Binder.restoreCallingIdentity(identity);
+        }
+    }
+
+
     @Override
     public void setSignalStrengthUpdateRequest(int subId, SignalStrengthUpdateRequest request,
             String callingPackage) {
diff --git a/src/com/android/phone/TelephonyShellCommand.java b/src/com/android/phone/TelephonyShellCommand.java
index 47666ef..07136d7 100644
--- a/src/com/android/phone/TelephonyShellCommand.java
+++ b/src/com/android/phone/TelephonyShellCommand.java
@@ -28,15 +28,21 @@
 import android.os.PersistableBundle;
 import android.os.Process;
 import android.os.RemoteException;
+import android.os.ServiceSpecificException;
 import android.provider.BlockedNumberContract;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.telephony.emergency.EmergencyNumber;
+import android.telephony.ims.ImsException;
+import android.telephony.ims.RcsContactUceCapability;
 import android.telephony.ims.feature.ImsFeature;
 import android.text.TextUtils;
+import android.util.ArrayMap;
+import android.util.ArraySet;
 import android.util.Log;
 
+import com.android.ims.rcs.uce.util.FeatureTags;
 import com.android.internal.telephony.ITelephony;
 import com.android.internal.telephony.Phone;
 import com.android.internal.telephony.PhoneFactory;
@@ -48,9 +54,12 @@
 
 import java.io.PrintWriter;
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import java.util.TreeSet;
 import java.util.UUID;
 import java.util.concurrent.CompletableFuture;
@@ -124,6 +133,8 @@
     private static final String UCE_REMOVE_EAB_CONTACT = "remove-eab-contact";
     private static final String UCE_GET_DEVICE_ENABLED = "get-device-enabled";
     private static final String UCE_SET_DEVICE_ENABLED = "set-device-enabled";
+    private static final String UCE_OVERRIDE_PUBLISH_CAPS = "override-published-caps";
+    private static final String UCE_GET_LAST_PIDF_XML = "get-last-publish-pidf";
 
     // Check if a package has carrier privileges on any SIM, regardless of subId/phoneId.
     private static final String HAS_CARRIER_PRIVILEGES_COMMAND = "has-carrier-privileges";
@@ -178,6 +189,48 @@
         }
     };
 
+    /**
+     * Map from a shorthand string to the feature tags required in registration required in order
+     * for the RCS feature to be considered "capable".
+     */
+    private static final Map<String, Set<String>> TEST_FEATURE_TAG_MAP;
+    static {
+        ArrayMap<String, Set<String>> map = new ArrayMap<>(18);
+        map.put("chat_v1", Collections.singleton(FeatureTags.FEATURE_TAG_CHAT_IM));
+        map.put("chat_v2", Collections.singleton(FeatureTags.FEATURE_TAG_CHAT_SESSION));
+        map.put("ft", Collections.singleton(FeatureTags.FEATURE_TAG_FILE_TRANSFER));
+        map.put("ft_sms", Collections.singleton(FeatureTags.FEATURE_TAG_FILE_TRANSFER_VIA_SMS));
+        map.put("mmtel", Collections.singleton(FeatureTags.FEATURE_TAG_MMTEL));
+        map.put("mmtel_vt", new ArraySet<>(Arrays.asList(FeatureTags.FEATURE_TAG_MMTEL,
+                FeatureTags.FEATURE_TAG_VIDEO)));
+        map.put("geo_push", Collections.singleton(FeatureTags.FEATURE_TAG_GEO_PUSH));
+        map.put("geo_push_sms", Collections.singleton(FeatureTags.FEATURE_TAG_GEO_PUSH_VIA_SMS));
+        map.put("call_comp",
+                Collections.singleton(FeatureTags.FEATURE_TAG_CALL_COMPOSER_ENRICHED_CALLING));
+        map.put("call_comp_mmtel",
+                Collections.singleton(FeatureTags.FEATURE_TAG_CALL_COMPOSER_VIA_TELEPHONY));
+        map.put("call_post", Collections.singleton(FeatureTags.FEATURE_TAG_POST_CALL));
+        map.put("map", Collections.singleton(FeatureTags.FEATURE_TAG_SHARED_MAP));
+        map.put("sketch", Collections.singleton(FeatureTags.FEATURE_TAG_SHARED_SKETCH));
+        // Feature tags defined twice for chatbot session because we want v1 and v2 based on bot
+        // version
+        map.put("chatbot", new ArraySet<>(Arrays.asList(
+                FeatureTags.FEATURE_TAG_CHATBOT_COMMUNICATION_USING_SESSION,
+                FeatureTags.FEATURE_TAG_CHATBOT_VERSION_SUPPORTED)));
+        map.put("chatbot_v2", new ArraySet<>(Arrays.asList(
+                FeatureTags.FEATURE_TAG_CHATBOT_COMMUNICATION_USING_SESSION,
+                FeatureTags.FEATURE_TAG_CHATBOT_VERSION_SUPPORTED)));
+        map.put("chatbot_sa", new ArraySet<>(Arrays.asList(
+                FeatureTags.FEATURE_TAG_CHATBOT_COMMUNICATION_USING_STANDALONE_MSG,
+                FeatureTags.FEATURE_TAG_CHATBOT_VERSION_SUPPORTED)));
+        map.put("chatbot_sa_v2", new ArraySet<>(Arrays.asList(
+                FeatureTags.FEATURE_TAG_CHATBOT_COMMUNICATION_USING_STANDALONE_MSG,
+                FeatureTags.FEATURE_TAG_CHATBOT_VERSION_SUPPORTED)));
+        map.put("chatbot_role", Collections.singleton(FeatureTags.FEATURE_TAG_CHATBOT_ROLE));
+        TEST_FEATURE_TAG_MAP = Collections.unmodifiableMap(map);
+    }
+
+
     public TelephonyShellCommand(ITelephony binder, Context context) {
         mInterface = binder;
         mCarrierConfigManager =
@@ -346,6 +399,22 @@
         pw.println("  uce set-device-enabled true|false");
         pw.println("    Set the device config for RCS User Capability Exchange to the value.");
         pw.println("    The value could be true, false.");
+        pw.println("  uce override-published-caps [-s SLOT_ID] add|remove|clear [CAPABILITIES]");
+        pw.println("    Override the existing SIP PUBLISH with different capabilities.");
+        pw.println("    Options are:");
+        pw.println("      -s: The SIM slot ID to read carrier config value for. If no option");
+        pw.println("          is specified, it will choose the default voice SIM slot.");
+        pw.println("      add [CAPABILITY]: add a new capability");
+        pw.println("      remove [CAPABILITY]: remove a capability");
+        pw.println("      clear: clear all capability overrides");
+        pw.println("      CAPABILITY: \":\" separated list of capabilities.");
+        pw.println("          Valid options are: [mmtel(_vt), chat_v1, chat_v2, ft, ft_sms,");
+        pw.println("          geo_push, geo_push_sms, call_comp, call_post, map, sketch, chatbot,");
+        pw.println("          chatbot_sa, chatbot_role] as well as full length");
+        pw.println("          featureTag=\"featureValue\" feature tags that are not defined here.");
+        pw.println("  uce get-last-publish-pidf [-s SLOT_ID]");
+        pw.println("    Get the PIDF XML included in the last SIP PUBLISH, or \"none\" if no ");
+        pw.println("    PUBLISH is active");
     }
 
     private void onHelpNumberVerification() {
@@ -1709,8 +1778,8 @@
     private int handleRcsUceCommand() {
         String arg = getNextArg();
         if (arg == null) {
-            Log.w(LOG_TAG, "cannot get uce parameter");
-            return -1;
+            onHelpUce();
+            return 0;
         }
 
         switch (arg) {
@@ -1722,6 +1791,10 @@
                 return handleUceGetDeviceEnabledCommand();
             case UCE_SET_DEVICE_ENABLED:
                 return handleUceSetDeviceEnabledCommand();
+            case UCE_OVERRIDE_PUBLISH_CAPS:
+                return handleUceOverridePublishCaps();
+            case UCE_GET_LAST_PIDF_XML:
+                return handleUceGetPidfXml();
         }
         return -1;
     }
@@ -1842,6 +1915,101 @@
         return 0;
     }
 
+    private int handleUceOverridePublishCaps() {
+        int subId = getSubId("uce override-published-caps");
+        if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+            return -1;
+        }
+        //uce override-published-caps [-s SLOT_ID] add|remove|clear|list [CAPABILITIES]
+        String operation = getNextArgRequired();
+        String caps = getNextArg();
+        if (!"add".equals(operation) && !"remove".equals(operation) && !"clear".equals(operation)
+                && !"list".equals(operation)) {
+            getErrPrintWriter().println("Invalid operation: " + operation);
+            return -1;
+        }
+
+        // add/remove requires capabilities to be specified.
+        if ((!"clear".equals(operation) && !"list".equals(operation)) && TextUtils.isEmpty(caps)) {
+            getErrPrintWriter().println("\"" + operation + "\" requires capabilities to be "
+                    + "specified");
+            return -1;
+        }
+
+        ArraySet<String> capSet = new ArraySet<>();
+        if (!TextUtils.isEmpty(caps)) {
+            String[] capArray = caps.split(":");
+            for (String cap : capArray) {
+                // Allow unknown tags to be passed in as well.
+                capSet.addAll(TEST_FEATURE_TAG_MAP.getOrDefault(cap, Collections.singleton(cap)));
+            }
+        }
+
+        RcsContactUceCapability result = null;
+        try {
+            switch (operation) {
+                case "add":
+                    result = mInterface.addUceRegistrationOverrideShell(subId,
+                            new ArrayList<>(capSet));
+                    break;
+                case "remove":
+                    result = mInterface.removeUceRegistrationOverrideShell(subId,
+                            new ArrayList<>(capSet));
+                    break;
+                case "clear":
+                    result = mInterface.clearUceRegistrationOverrideShell(subId);
+                    break;
+                case "list":
+                    result = mInterface.getLatestRcsContactUceCapabilityShell(subId);
+                    break;
+            }
+        } catch (RemoteException e) {
+            Log.w(LOG_TAG, "uce override-published-caps, error " + e.getMessage());
+            getErrPrintWriter().println("Exception: " + e.getMessage());
+            return -1;
+        } catch (ServiceSpecificException sse) {
+            // Reconstruct ImsException
+            ImsException imsException = new ImsException(sse.getMessage(), sse.errorCode);
+            Log.w(LOG_TAG, "uce override-published-caps, error " + imsException);
+            getErrPrintWriter().println("Exception: " + imsException);
+            return -1;
+        }
+        if (result == null) {
+            getErrPrintWriter().println("Service not available");
+            return -1;
+        }
+        getOutPrintWriter().println(result);
+        return 0;
+    }
+
+    private int handleUceGetPidfXml() {
+        int subId = getSubId("uce get-last-publish-pidf");
+        if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+            return -1;
+        }
+
+        String result;
+        try {
+            result = mInterface.getLastUcePidfXmlShell(subId);
+        } catch (RemoteException e) {
+            Log.w(LOG_TAG, "uce get-last-publish-pidf, error " + e.getMessage());
+            getErrPrintWriter().println("Exception: " + e.getMessage());
+            return -1;
+        } catch (ServiceSpecificException sse) {
+            // Reconstruct ImsException
+            ImsException imsException = new ImsException(sse.getMessage(), sse.errorCode);
+            Log.w(LOG_TAG, "uce get-last-publish-pidf error " + imsException);
+            getErrPrintWriter().println("Exception: " + imsException);
+            return -1;
+        }
+        if (result == null) {
+            getErrPrintWriter().println("Service not available");
+            return -1;
+        }
+        getOutPrintWriter().println(result);
+        return 0;
+    }
+
     private int handleSrcSetDeviceEnabledCommand() {
         String enabledStr = getNextArg();
         if (enabledStr == null) {
diff --git a/src/com/android/services/telephony/rcs/UceControllerManager.java b/src/com/android/services/telephony/rcs/UceControllerManager.java
index 20ea17b..71f799a 100644
--- a/src/com/android/services/telephony/rcs/UceControllerManager.java
+++ b/src/com/android/services/telephony/rcs/UceControllerManager.java
@@ -19,6 +19,7 @@
 import android.content.Context;
 import android.net.Uri;
 import android.telephony.ims.ImsException;
+import android.telephony.ims.RcsContactUceCapability;
 import android.telephony.ims.RcsUceAdapter;
 import android.telephony.ims.RcsUceAdapter.PublishState;
 import android.telephony.ims.aidl.IRcsUceControllerCallback;
@@ -32,6 +33,7 @@
 
 import java.io.PrintWriter;
 import java.util.List;
+import java.util.Set;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -181,15 +183,15 @@
      * @throws ImsException if the ImsService connected to this controller is currently down.
      */
     public @PublishState int getUcePublishState() throws ImsException {
-        Future future = mExecutorService.submit(() -> {
+        Future<Integer> future = mExecutorService.submit(() -> {
             checkUceControllerState();
             return mUceController.getUcePublishState();
         });
 
         try {
-            return (Integer) future.get();
+            return future.get();
         } catch (ExecutionException | InterruptedException e) {
-            Log.w(LOG_TAG, "requestNetworkAvailability exception: " + e);
+            Log.w(LOG_TAG, "getUcePublishState exception: " + e);
             Throwable cause = e.getCause();
             if (cause instanceof ImsException) {
                 throw (ImsException) cause;
@@ -199,6 +201,114 @@
     }
 
     /**
+     * Add new feature tags to the Set used to calculate the capabilities in PUBLISH.
+     */
+    public RcsContactUceCapability addUceRegistrationOverride(
+            Set<String> featureTags) throws ImsException {
+        Future<RcsContactUceCapability> future = mExecutorService.submit(() -> {
+            checkUceControllerState();
+            return mUceController.addRegistrationOverrideCapabilities(featureTags);
+        });
+
+        try {
+            return future.get();
+        } catch (ExecutionException | InterruptedException e) {
+            Log.w(LOG_TAG, "addUceRegistrationOverride exception: " + e);
+            Throwable cause = e.getCause();
+            if (cause instanceof ImsException) {
+                throw (ImsException) cause;
+            }
+            return null;
+        }
+    }
+
+    /**
+     * Remove existing feature tags to the Set used to calculate the capabilities in PUBLISH.
+     */
+    public RcsContactUceCapability removeUceRegistrationOverride(
+            Set<String> featureTags) throws ImsException {
+        Future<RcsContactUceCapability> future = mExecutorService.submit(() -> {
+            checkUceControllerState();
+            return mUceController.removeRegistrationOverrideCapabilities(featureTags);
+        });
+
+        try {
+            return future.get();
+        } catch (ExecutionException | InterruptedException e) {
+            Log.w(LOG_TAG, "removeUceRegistrationOverride exception: " + e);
+            Throwable cause = e.getCause();
+            if (cause instanceof ImsException) {
+                throw (ImsException) cause;
+            }
+            return null;
+        }
+    }
+
+    /**
+     * Clear all overrides in the Set used to calculate the capabilities in PUBLISH.
+     */
+    public RcsContactUceCapability clearUceRegistrationOverride() throws ImsException {
+        Future<RcsContactUceCapability> future = mExecutorService.submit(() -> {
+            checkUceControllerState();
+            return mUceController.clearRegistrationOverrideCapabilities();
+        });
+
+        try {
+            return future.get();
+        } catch (ExecutionException | InterruptedException e) {
+            Log.w(LOG_TAG, "clearUceRegistrationOverride exception: " + e);
+            Throwable cause = e.getCause();
+            if (cause instanceof ImsException) {
+                throw (ImsException) cause;
+            }
+            return null;
+        }
+    }
+
+    /**
+     * @return current RcsContactUceCapability instance that will be used for PUBLISH.
+     */
+    public RcsContactUceCapability getLatestRcsContactUceCapability() throws ImsException {
+        Future<RcsContactUceCapability> future = mExecutorService.submit(() -> {
+            checkUceControllerState();
+            return mUceController.getLatestRcsContactUceCapability();
+        });
+
+        try {
+            return future.get();
+        } catch (ExecutionException | InterruptedException e) {
+            Log.w(LOG_TAG, "getLatestRcsContactUceCapability exception: " + e);
+            Throwable cause = e.getCause();
+            if (cause instanceof ImsException) {
+                throw (ImsException) cause;
+            }
+            return null;
+        }
+    }
+
+    /**
+     *
+     * @return The last PIDF XML sent to the IMS stack to be published.
+     */
+    public String getLastPidfXml() throws ImsException {
+        Future<String> future = mExecutorService.submit(() -> {
+            checkUceControllerState();
+            return mUceController.getLastPidfXml();
+        });
+
+        try {
+            return future.get();
+        } catch (ExecutionException | InterruptedException e) {
+            Log.w(LOG_TAG, "getLastPidfXml exception: " + e);
+            Throwable cause = e.getCause();
+            if (cause instanceof ImsException) {
+                throw (ImsException) cause;
+            }
+            return null;
+        }
+    }
+
+    /**
      * Register the Publish state changed callback.
      *
      * @throws ImsException if the ImsService connected to this controller is currently down.