diff --git a/itd/models/event.py b/itd/models/event.py
new file mode 100644
index 0000000..775bd8c
--- /dev/null
+++ b/itd/models/event.py
@@ -0,0 +1,33 @@
+from uuid import UUID
+from datetime import datetime
+from typing import Literal
+
+from pydantic import BaseModel, Field
+
+from itd.enums import NotificationType, NotificationTargetType
+from itd.models.user import UserNotification
+
+
+class StreamConnect(BaseModel):
+    """Событие подключения к SSE потоку"""
+    user_id: UUID = Field(alias='userId')
+    timestamp: int
+
+
+class StreamNotification(BaseModel):
+    """Уведомление из SSE потока"""
+    id: UUID
+    type: NotificationType
+    
+    target_type: NotificationTargetType | None = Field(None, alias='targetType')
+    target_id: UUID | None = Field(None, alias='targetId')
+    
+    preview: str | None = None
+    read_at: datetime | None = Field(None, alias='readAt')
+    created_at: datetime = Field(alias='createdAt')
+    
+    user_id: UUID = Field(alias='userId')
+    actor: UserNotification
+    
+    read: bool = False
+    sound: bool = True