diff --git a/src/prompt_toolkit/widgets/base.py b/src/prompt_toolkit/widgets/base.py
index bd2d33220..38cbba09b 100644
--- a/src/prompt_toolkit/widgets/base.py
+++ b/src/prompt_toolkit/widgets/base.py
@@ -195,6 +195,7 @@ def __init__(
         preview_search: FilterOrBool = True,
         prompt: AnyFormattedText = "",
         input_processors: Optional[List[Processor]] = None,
+        name: str = "",
     ) -> None:
 
         if search_field is None:
@@ -226,6 +227,7 @@ def __init__(
             auto_suggest=DynamicAutoSuggest(lambda: self.auto_suggest),
             accept_handler=accept_handler,
             history=history,
+            name=name,
         )
 
         self.control = BufferControl(