From ee4063b8bc4c927542e2cdbc69ba11b76d28d2a3 Mon Sep 17 00:00:00 2001
From: David Weedon <weedon@openai.com>
Date: Tue, 14 Oct 2025 14:56:53 -0500
Subject: [PATCH] fix: allow payload on actions to be `undefined` by defaulting
 to `None`

---
 chatkit/actions.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chatkit/actions.py b/chatkit/actions.py
index 689a8f1..9048f63 100644
--- a/chatkit/actions.py
+++ b/chatkit/actions.py
@@ -24,7 +24,7 @@ class ActionConfig(BaseModel):
 
 class Action(BaseModel, Generic[TType, TPayload]):
     type: TType = Field(default=TType, frozen=True)  # pyright: ignore
-    payload: TPayload
+    payload: TPayload = None # pyright: ignore - default to None to allow no-payload actions
 
     @classmethod
     def create(