# Notification

**Package:** `flyte.notify`

Base notification class.

All notification types must specify phases when they should trigger.

## Parameters

```python
class Notification(
    on_phase: typing.Union[flyte.models.ActionPhase, typing.Tuple[flyte.models.ActionPhase, ...]],
)
```
| Parameter | Type | Description |
|-|-|-|
| `on_phase` | `typing.Union[flyte.models.ActionPhase, typing.Tuple[flyte.models.ActionPhase, ...]]` | |

---
**Source**: https://github.com/unionai/unionai-docs/blob/main/content/api-reference/flyte-sdk/packages/flyte.notify/notification.md
**HTML**: https://www.union.ai/docs/v2/flyte/api-reference/flyte-sdk/packages/flyte.notify/notification/