diff --git a/src/robusta/core/model/sinks.py b/src/robusta/core/model/sinks.py
new file mode 100644
index 000000000..6aca965aa
--- /dev/null
+++ b/src/robusta/core/model/sinks.py
@@ -0,0 +1,30 @@
+from typing import Optional
+from pydantic import BaseModel, Field
+from robusta.core.model.base_params import ActionParams
+
+
+class DelayedNotificationConfig(BaseModel):
+    """
+    Configuration for delayed notifications
+    :var delay_seconds: Number of seconds to delay the notification
+    :var condition: Optional condition that must be met for the delay to apply
+    """
+    delay_seconds: int = Field(ge=0, description="Number of seconds to delay the notification")
+    condition: Optional[str] = Field(None, description="Optional condition for applying the delay")
+
+
+class SinkBaseParams(ActionParams):
+    """
+    Base class for all sink configurations
+    """
+    name: str
+    notification_delay_seconds: Optional[int] = Field(None, ge=0, description="Delay notification by specified seconds")
+    delayed_notification_config: Optional[DelayedNotificationConfig] = Field(
+        None, description="Advanced delayed notification configuration"
+    )
+
+    def get_delay_seconds(self) -> int:
+        """Get the effective delay in seconds"""
+        if self.delayed_notification_config:
+            return self.delayed_notification_config.delay_seconds
+        return self.notification_delay_seconds or 0
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