To complete this challenge, all you need to do is call a function.

The “Begin Challenge” button will deploy the following contract:

pragma solidity ^0.4.21;

contract CallMeChallenge {
    bool public isComplete = false;

    function callme() public {
        isComplete = true;

Call the function named callme and then click the “Check Solution” button.

Enjoy this inspirational music while you work: Call On Me.