lib/SonicEmailViewWeb.dart

@@ -101,6 +101,7 @@ class _SonicEmailViewState extends State<SonicEmailView> {
                       onJumpToNumbering: _scrollToNumber,
                       onViewspecs: _handleViewspecs,
                       onFiltering: _handleFiltering,
+                      emails: [widget.email.name], subject: '', rootAugment: null,
                     ),
                     Row(
                       // title of email

lib/collapsableEmailsAndroid.dart

@@ -90,6 +90,11 @@ class _CollapsableEmailsState extends State<CollapsableEmails> {
     super.dispose();
   }
 
+  
+  List<String> getThreads() {
+    return widget.thread;
+  }
+
   void _add2Tree(AugmentTree tree, md.Element node2add) {
     // adds node to its corresponding place
     AugmentTree newNode = AugmentTree();

lib/collapsableEmailsStub.dart

@@ -9,13 +9,22 @@ class CollapsableEmails extends StatefulWidget {
   CollapsableEmails(
       {required this.thread,
       required this.threadMarkdown,
-      required this.threadIDs, String? targetJumpNumbering, String? targetViewspecs, String? targetFiltering});
+      required this.threadIDs, String? targetJumpNumbering, String? targetViewspecs, String? targetFiltering, required String nameOfDocument});
+
+  get getThreads => null;
+
+  get getAugmentRoot => null;
 
   @override
   State<CollapsableEmails> createState() => _CollapsableEmailsState();
 }
 
 class _CollapsableEmailsState extends State<CollapsableEmails> {
+  
+  List<String> getThreads() {
+    return widget.thread;
+  }
+  
   @override
   Widget build(BuildContext context) {
     return Scaffold(body: Text("collapsable stud"));

lib/emailViewAndroid.dart

@@ -66,6 +66,7 @@ class _EmailViewState extends State<EmailView> {
               onJumpToNumbering: _scrollToNumber,
               onViewspecs: _viewSpecs,
               onFiltering: _filteringQuery,
+              emails: widget.messages, subject: '', rootAugment: null,
             ),
             Row(
               children: [