diff --git a/lightweight_charts/table.py b/lightweight_charts/table.py
index 9d23c71..b360b39 100644
--- a/lightweight_charts/table.py
+++ b/lightweight_charts/table.py
@@ -1,3 +1,4 @@
+import asyncio
 import random
 from typing import Union
 
@@ -69,10 +70,19 @@ class Table(Pane, dict):
         self._formatters = {}
         self.headings = headings
         self.is_shown = True
-        if return_clicked_cells:
-            self.win.handlers[self.id] = lambda rId, cId: func(self[rId], cId)
-        else:
-            self.win.handlers[self.id] = lambda rId: func(self[rId])
+        def wrapper(rId, cId=None):
+            if return_clicked_cells:
+                func(self[rId], cId)
+            else:
+                func(self[rId])
+
+        async def async_wrapper(rId, cId=None):
+            if return_clicked_cells:
+                await func(self[rId], cId)
+            else:
+                await func(self[rId])
+
+        self.win.handlers[self.id] = async_wrapper if asyncio.iscoroutinefunction(func) else wrapper
         self.return_clicked_cells = return_clicked_cells
 
         headings = list(headings)
diff --git a/lightweight_charts/topbar.py b/lightweight_charts/topbar.py
index 1611e08..4f884dc 100644
--- a/lightweight_charts/topbar.py
+++ b/lightweight_charts/topbar.py
@@ -49,10 +49,20 @@ class SwitcherWidget(Widget):
 class MenuWidget(Widget):
     def __init__(self, topbar, options, default, separator, align, func):
         super().__init__(topbar, value=default, func=func)
+        self.options = list(options)
         self.run_script(f'''
         {self.id} = {topbar.id}.makeMenu({list(options)}, "{default}", {jbool(separator)}, "{self.id}", "{align}")
         ''')
 
+    def set(self, option):
+        if option not in self.options:
+            raise ValueError(f"Option {option} not in menu options ({self.options})")
+        self.value = option
+        self.run_script(f'''
+            {self.id}.updateMenu("{option}")
+        ''')
+        self.win.handlers[self.id](option)
+
 
 class ButtonWidget(Widget):
     def __init__(self, topbar, button, separator, align, func):