# FlyteCallbackHandler

> **Class** in `langchain_community`

📖 [View in docs](https://reference.langchain.com/python/langchain-community/callbacks/flyte_callback/FlyteCallbackHandler)

Callback handler that is used within a Flyte task.

## Signature

```python
FlyteCallbackHandler(
    self,
)
```

## Extends

- `BaseMetadataCallbackHandler`
- `BaseCallbackHandler`

## Constructors

```python
__init__(
    self,
) -> None
```


## Properties

- `pandas`
- `textstat`
- `nlp`
- `table_renderer`
- `markdown_renderer`
- `deck`

## Methods

- [`on_llm_start()`](https://reference.langchain.com/python/langchain-community/callbacks/flyte_callback/FlyteCallbackHandler/on_llm_start)
- [`on_llm_new_token()`](https://reference.langchain.com/python/langchain-community/callbacks/flyte_callback/FlyteCallbackHandler/on_llm_new_token)
- [`on_llm_end()`](https://reference.langchain.com/python/langchain-community/callbacks/flyte_callback/FlyteCallbackHandler/on_llm_end)
- [`on_llm_error()`](https://reference.langchain.com/python/langchain-community/callbacks/flyte_callback/FlyteCallbackHandler/on_llm_error)
- [`on_chain_start()`](https://reference.langchain.com/python/langchain-community/callbacks/flyte_callback/FlyteCallbackHandler/on_chain_start)
- [`on_chain_end()`](https://reference.langchain.com/python/langchain-community/callbacks/flyte_callback/FlyteCallbackHandler/on_chain_end)
- [`on_chain_error()`](https://reference.langchain.com/python/langchain-community/callbacks/flyte_callback/FlyteCallbackHandler/on_chain_error)
- [`on_tool_start()`](https://reference.langchain.com/python/langchain-community/callbacks/flyte_callback/FlyteCallbackHandler/on_tool_start)
- [`on_tool_end()`](https://reference.langchain.com/python/langchain-community/callbacks/flyte_callback/FlyteCallbackHandler/on_tool_end)
- [`on_tool_error()`](https://reference.langchain.com/python/langchain-community/callbacks/flyte_callback/FlyteCallbackHandler/on_tool_error)
- [`on_text()`](https://reference.langchain.com/python/langchain-community/callbacks/flyte_callback/FlyteCallbackHandler/on_text)
- [`on_agent_finish()`](https://reference.langchain.com/python/langchain-community/callbacks/flyte_callback/FlyteCallbackHandler/on_agent_finish)
- [`on_agent_action()`](https://reference.langchain.com/python/langchain-community/callbacks/flyte_callback/FlyteCallbackHandler/on_agent_action)

---

[View source on GitHub](https://github.com/langchain-ai/langchain-community/blob/a6a6079511ac8a5c1293337f88096b8641562e77/libs/community/langchain_community/callbacks/flyte_callback.py#L90)