diff --git a/ai_engine_sdk/api_models/agents_json_messages.py b/ai_engine_sdk/api_models/agents_json_messages.py
index 552b8b3..733062f 100644
--- a/ai_engine_sdk/api_models/agents_json_messages.py
+++ b/ai_engine_sdk/api_models/agents_json_messages.py
@@ -37,7 +37,6 @@ class TaskSelectionMessage(AgentJsonMessage):
     text: str
     options: Dict[str, TaskOption]
 
-
     def get_options_keys(self) -> list[TaskOption]:
         return [option for option in self.options]
 
@@ -50,7 +49,6 @@ class DataRequestMessage(AgentJsonMessage):
 class ConfirmationMessage(AgentJsonMessage):
     type: Literal[AgentJsonMessageTypes.CONFIRMATION] = AgentJsonMessageTypes.CONFIRMATION
     text: str
-    model: str
     payload: Dict[str, Any]
 
 
@@ -70,14 +68,16 @@ def is_agent_json_confirmation_message(message_type: str) -> bool:
 
 def is_task_selection_message(message_type: str) -> bool:
     union_of_type = TaskSelectionTypes
-    allowed_values = [literal for lit in get_args(union_of_type) for literal in get_args(lit)]
+    allowed_values = [literal for lit in get_args(
+        union_of_type) for literal in get_args(lit)]
     return message_type.upper() in allowed_values
 
 
 def is_data_request_message(message_type: str) -> bool:
     union_of_type = DataRequestTypes
     if get_origin(union_of_type) is Union:
-        allowed_values = [literal for lit in get_args(union_of_type) for literal in get_args(lit)]
+        allowed_values = [literal for lit in get_args(
+            union_of_type) for literal in get_args(lit)]
     elif get_origin(union_of_type) is Literal:
         allowed_values = get_args(union_of_type)
 
diff --git a/ai_engine_sdk/client.py b/ai_engine_sdk/client.py
index 309b28e..7c0279c 100644
--- a/ai_engine_sdk/client.py
+++ b/ai_engine_sdk/client.py
@@ -280,7 +280,7 @@ async def get_messages(self) -> List[ApiBaseMessage]:
                             'id': message['message_id'],
                             'timestamp': message['timestamp'],
                             'text': agent_json['text'],
-                            'options':indexed_task_options
+                            'options': indexed_task_options
                         })
                     )
                 elif is_api_context_json(message_type=agent_json_type, agent_json_text=agent_json['text']):
@@ -289,8 +289,7 @@ async def get_messages(self) -> List[ApiBaseMessage]:
                             'id': message['message_id'],
                             'timestamp': message['timestamp'],
                             'text': agent_json['text'],
-                            'model': agent_json['context_json']['digest'],
-                            'payload': agent_json['context_json']['args'],
+                            'payload': agent_json['context_json'],
                         })
                     )
                 elif is_data_request_message(message_type=agent_json_type):
@@ -352,7 +351,7 @@ async def delete(self):
             endpoint=f"/v1beta1/engine/chat/sessions/{self.session_id}"
         )
 
-    async def execute_function(self, function_ids: list[str], objective: str, context: str|None = None):
+    async def execute_function(self, function_ids: list[str], objective: str, context: str | None = None):
         await self._submit_message(
             payload=ApiUserMessageExecuteFunctions.model_validate({
                 "functions": function_ids,
@@ -367,7 +366,6 @@ def __init__(self, api_key: str, options: Optional[dict] = None):
         self._api_base_url = options.get('api_base_url') if options and 'api_base_url' in options else default_api_base_url
         self._api_key = api_key
 
-
     ####
     # Function groups
     ####
@@ -579,4 +577,4 @@ async def share_function_group(
             payload=payload
         )
         logger.debug(f"FG successfully shared: {function_group_id} with {target_user_email}")
-        return raw_response
+        return raw_response
\ No newline at end of file