From bf72426af2bfd5c2e21c410005842e48b773deb3 Mon Sep 17 00:00:00 2001
From: Google Team Member <genai-sdk-bot@google.com>
Date: Tue, 29 Jul 2025 10:40:38 -0700
Subject: [PATCH] fix: runner was expecting Event object instead of Content
 object when using early exist feature

PiperOrigin-RevId: 788516645
---
 src/google/adk/runners.py | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/src/google/adk/runners.py b/src/google/adk/runners.py
index d459bb9d..c6cd0eef 100644
--- a/src/google/adk/runners.py
+++ b/src/google/adk/runners.py
@@ -258,16 +258,17 @@ class Runner:
     early_exit_result = await plugin_manager.run_before_run_callback(
         invocation_context=invocation_context
     )
-    if isinstance(early_exit_result, Event):
+    if isinstance(early_exit_result, types.Content):
+      early_exit_event = Event(
+          invocation_id=invocation_context.invocation_id,
+          author='model',
+          content=early_exit_result,
+      )
       await self.session_service.append_event(
           session=session,
-          event=Event(
-              invocation_id=invocation_context.invocation_id,
-              author='model',
-              content=early_exit_result,
-          ),
+          event=early_exit_event,
       )
-      yield early_exit_result
+      yield early_exit_event
     else:
       # Step 2: Otherwise continue with normal execution
       async for event in execute_fn(invocation_context):