> ## Documentation Index
> Fetch the complete documentation index at: https://docs.qu.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# EventFilter

> **注意**: 此页面尚未翻译成中文。以下内容为英文原版。

An **EventFilter** allows efficiently filtering logs (also known as events) using bloom filters included within
blocks.

## Extended by

* [`Filter`](/cn/sdk/content/interfaces/Filter)
* [`FilterByBlockHash`](/cn/sdk/content/interfaces/FilterByBlockHash)