2 files changed, 15 insertions, 2 deletions
diff --git a/g4f/providers/base_provider.py b/g4f/providers/base_provider.py
index b6df48e8..c6d0d950 100644
--- a/g4f/providers/base_provider.py
+++ b/g4f/providers/base_provider.py
@@ -11,7 +11,7 @@ from typing import Callable, Union
 
 from ..typing import CreateResult, AsyncResult, Messages
 from .types import BaseProvider
-from .response import FinishReason, BaseConversation
+from .response import FinishReason, BaseConversation, SynthesizeData
 from ..errors import NestAsyncioError, ModelNotSupportedError
 from .. import debug
 
@@ -259,7 +259,7 @@ class AsyncGeneratorProvider(AsyncProvider):
         """
         return "".join([
             str(chunk) async for chunk in cls.create_async_generator(model, messages, stream=False, **kwargs) 
-            if not isinstance(chunk, (Exception, FinishReason, BaseConversation))
+            if not isinstance(chunk, (Exception, FinishReason, BaseConversation, SynthesizeData))
         ])
 
     @staticmethod
diff --git a/g4f/providers/response.py b/g4f/providers/response.py
index a4d1467a..3fddbf4f 100644
--- a/g4f/providers/response.py
+++ b/g4f/providers/response.py
@@ -23,4 +23,17 @@ class Sources(ResponseType):
 
 class BaseConversation(ResponseType):
     def __str__(self) -> str:
+        return ""
+
+class SynthesizeData(ResponseType):
+    def __init__(self, provider: str, data: dict):
+        self.provider = provider
+        self.data = data
+
+    def to_json(self) -> dict:
+        return {
+            **self.__dict__
+        }
+
+    def __str__(self) -> str:
         return ""
 \ No newline at end of file