# TriggerClause

> **Class** in `deepagents`

📖 [View in docs](https://reference.langchain.com/python/deepagents/middleware/summarization/TriggerClause)

Dictionary-based summarization trigger with AND semantics.

## Signature

```python
TriggerClause()
```

## Extends

- `TypedDict`

## Constructors

```python
__init__(
    tokens: int,
    messages: int,
    fraction: float,
)
```

| Name | Type |
|------|------|
| `tokens` | `int` |
| `messages` | `int` |
| `fraction` | `float` |


## Properties

- `tokens`
- `messages`
- `fraction`

---

[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/7e70065200007896336f38fe905803e6763e8f85/libs/deepagents/deepagents/middleware/summarization.py#L160)