# getBlobBaseFee

Description: getBlobBaseFee 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/get-blob-base-fee.mdx

### Signature

```solidity
function getBlobBaseFee() external view returns (uint256 blobBaseFee);
```

### Description

Gets the current `block.blobbasefee`.
You should use this instead of `block.blobbasefee` if you use `vm.blobBaseFee`, as `block.blobbasefee` is assumed to be constant across a transaction,
and as a result will get optimized out by the compiler.