# SkillInvocationEnvelope

> **Class** in `deepagents_code`

📖 [View in docs](https://reference.langchain.com/python/deepagents-code/skills/invocation/SkillInvocationEnvelope)

Structured prompt and checkpoint metadata for a skill invocation.

## Signature

```python
SkillInvocationEnvelope(
    self,
    prompt: str,
    message_kwargs: dict[str, Any],
)
```

## Constructors

```python
__init__(
    self,
    prompt: str,
    message_kwargs: dict[str, Any],
) -> None
```

| Name | Type |
|------|------|
| `prompt` | `str` |
| `message_kwargs` | `dict[str, Any]` |


## Properties

- `prompt`
- `message_kwargs`

---

[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/0412009c5441bef8d75a427e1da8909e33ab5b56/libs/code/deepagents_code/skills/invocation.py#L14)