my-first-experiences-with-solidity-smart-contracts-5.sol

event ContractNameChanged(string previousContractName, string newContractName);

/// @notice Owner can change the name of the contract
/// @param newContractName The new contract name
function changeContractName(
    string newContractName
) public onlyOwner {
    emit ContractNameChanged(contractName, newContractName);
    contractName = newContractName;
}