Adding region tags to consent sync snippets

Objective-C/advanced/APIDemo/APIDemo/Snippets/UMPSnippets.m

@@ -0,0 +1,34 @@
+//
+//  Copyright (C) 2025 Google, Inc.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
+
+#import <UIKit/UIKit.h>
+#import <UserMessagingPlatform/UserMessagingPlatform.h>
+
+@interface UMPSnippets: NSObject
+
+@end
+
+@implementation UMPSnippets
+
+- (void)syncConsentIdentifier {
+  // [START sync_consent_identifier]
+  UMPRequestParameters *parameters = [[UMPRequestParameters alloc] init];
+  // Example using IDFV to identify the user across apps.
+  // parameters.consentSyncID = [[[UIDevice currentDevice] identifierForVendor] UUIDString];
+  // [END sync_consent_identifier]
+}
+
+@end

Swift/advanced/APIDemo/APIDemo/Snippets/UMPSnippets.swift

@@ -0,0 +1,28 @@
+//
+//  Copyright (C) 2025 Google, Inc.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
+
+import UserMessagingPlatform
+
+private class UMPSnippets {
+
+  func syncConsentIdentifier() {
+    // [START sync_consent_identifier]
+    let parameters = RequestParameters()
+    /// Example using IDFV to identify the user across apps.
+    // parameters.consentSyncID = UIDevice.current.identifierForVendor?.uuidString
+    // [END sync_consent_identifier]
+  }
+}