from chatGPT

ExampleContract.sol

pragma solidity ^0.8.0;

contract ExampleContract {
    struct PassKeyId {
        uint256 pubKeyX;
        uint256 pubKeyY;
        string keyId;
    }

    // You can declare a variable of type PassKeyId
    PassKeyId public passKey;

    // Example function to set passKey values
    function setPassKey(uint256 _pubKeyX, uint256 _pubKeyY, string memory _keyId) public {
        passKey = PassKeyId(_pubKeyX, _pubKeyY, _keyId);
    }

    // Example function to get passKey values
    function getPassKey() public view returns (uint256, uint256, string memory) {
        return (passKey.pubKeyX, passKey.pubKeyY, passKey.keyId);
    }
}