diff --git a/modules/ensemble/lib/action/upload_files_action.dart b/modules/ensemble/lib/action/upload_files_action.dart
index d80edaf52..298bb60c1 100644
--- a/modules/ensemble/lib/action/upload_files_action.dart
+++ b/modules/ensemble/lib/action/upload_files_action.dart
@@ -198,9 +198,22 @@ List<File>? _getRawFiles(dynamic rawFiles, DataContext dataContext) {
       });
       return processedFile;
     }
+
+    if (files.values.length > 0 && files.values.first is List) {
+      List<File> processedFile = [];
+      files.forEach((key, value) {
+        (value as List).forEach((element) {
+          if (element is Map && element.containsKey('path')) {
+            element['fieldName'] = key;
+            processedFile.add(File.fromJson(element));
+          }
+        });
+      });
+      return processedFile;
+    }
   }
 
-  if (files is String) {
+  if (files is String && files.isNotEmpty) {
     final rawFiles = File.fromString(files);
     return [rawFiles];
   }
diff --git a/modules/ensemble/lib/util/upload_utils.dart b/modules/ensemble/lib/util/upload_utils.dart
index 0fbdcc6a6..7b43ab988 100644
--- a/modules/ensemble/lib/util/upload_utils.dart
+++ b/modules/ensemble/lib/util/upload_utils.dart
@@ -60,10 +60,16 @@ class UploadUtils {
           lookupMimeType(file.path ?? '', headerBytes: file.bytes) ??
               'application/octet-stream';
       if (file.bytes != null) {
-        multipartFile = http.MultipartFile.fromBytes(file.fieldName ?? fieldName, file.bytes!,
-            filename: file.name, contentType: MediaType.parse(mimeType));
+        final mediaType = MediaType.parse(mimeType);
+        final filename = file.name?.isNotEmpty ?? false
+            ? file.name
+            : generateFileName(mediaType);
+        multipartFile = http.MultipartFile.fromBytes(
+            file.fieldName ?? fieldName, file.bytes!,
+            filename: filename, contentType: mediaType);
       } else if (file.path != null) {
-        multipartFile = await http.MultipartFile.fromPath(file.fieldName ?? fieldName, file.path!,
+        multipartFile = await http.MultipartFile.fromPath(
+            file.fieldName ?? fieldName, file.path!,
             filename: file.name, contentType: MediaType.parse(mimeType));
       } else {
         debugPrint('Failed to add ${file.name} ${file.ext} ${file.path}');
@@ -83,13 +89,19 @@ class UploadUtils {
       if (res.statusCode >= 200 && res.statusCode <= 300) {
         return HttpResponse(res, APIState.success);
       } else {
-        throw Exception('uploadFile: Failed to upload files \nserver response:\n${res.body}');
+        throw Exception(
+            'uploadFile: Failed to upload files \nserver response:\n${res.body}');
       }
     } catch (error) {
       onError?.call(error);
     }
     return null;
   }
+
+  static generateFileName(MediaType mediaType) {
+    final timestamp = DateTime.now().millisecondsSinceEpoch;
+    return '${mediaType.type}_$timestamp.${mediaType.subtype}';
+  }
 }
 
 class MultipartRequest extends http.MultipartRequest {