works

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v4.4.1/contracts/token/ERC721/ERC721.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v4.4.1/contracts/access/Ownable.sol";

// Import interfaces of external contracts for handling potential errors
import "./ExternalContract.sol";

contract MyNFT is ERC721, Ownable {
    // Define variables
    uint256 public tokenCounter;
    address public externalContractAddress;
    ExternalContract public externalContract;

    // Event for minting
    event NFTMinted(address indexed owner, uint256 indexed tokenId);

    constructor(string memory _name, string memory _symbol, address _externalContractAddress) ERC721(_name, _symbol) {
        tokenCounter = 0;
        externalContractAddress = _externalContractAddress;
        externalContract = ExternalContract(_externalContractAddress); // Initialize the external contract interface
    }

    // Function to mint NFT
    function mintNFT(address _to) external onlyOwner {
        require(_to != address(0), "Invalid address");
        uint256 newTokenId = tokenCounter;
        _safeMint(_to, newTokenId);
        emit NFTMinted(_to, newTokenId);
        tokenCounter++;
    }

    // Function to handle external contract calls
    function handleExternalCall() external onlyOwner {
        // Perform the external contract call
        try externalContract.someFunction() {
            // Handle successful call
        } catch Error(string memory errorMessage) {
            // Handle potential error from the external contract
            revert(errorMessage);
        } catch {
            // Fallback for unexpected errors
            revert("Unknown error occurred");
        }
    }

    // Function to update the address of the external contract
    function updateExternalContractAddress(address _newExternalContractAddress) external onlyOwner {
        externalContractAddress = _newExternalContractAddress;
        externalContract = ExternalContract(_newExternalContractAddress); // Update the external contract interface
    }

    // Function to withdraw funds from the contract
    function withdraw() external onlyOwner {
        uint256 balance = address(this).balance;
        payable(owner()).transfer(balance);
    }
}