> ## 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.

# FilterByBlockHash

A **FilterByBlockHash** allows searching a specific block for mathcing logs.

## Extends

* [`EventFilter`](/sdk/content/interfaces/EventFilter)

## Properties

| Property     | Type     | Description                                         |
| :----------- | :------- | :-------------------------------------------------- |
| `blockHash?` | `string` | The blockhash of the specific block for the filter. |