# blobBaseFee

Description: blobBaseFee cheatcode documentation

Note: This document was authored using MDX

  Source: https://github.com/NomicFoundation/hardhat-website/tree/main/src/content/docs/docs/reference/cheatcodes/Environment/blob-base-fee.mdx

### Signature

```solidity
function blobBaseFee(uint256 newBlobBaseFee) external;
```

### Description

Sets `block.blobbasefee`