```\\nfunction updatePixelMintMerkleRoot(bytes32 hash)\\n    external\\n    onlyOwner\\n    returns (bool)\\n{\\n    merkleRootOfPixelMintWhitelistAddresses = hash;\\n    emit UpdatedMerkleRootOfPixelMint(hash, msg.sender);\\n\\n    return true;\\n}\\n```\\n