nathan-websculpt

function withdrawFromAttackee() public {
    uint senderBalance = attackeeBalances[msg.sender];
    require(senderBalance > 0);

    (bool success, ) = msg.sender.call{ value: senderBalance }("");
    require(success, "withdrawFromAttackee failed to send");

    attackeeBalances[msg.sender] = 0;
}

nathan-websculpt

function sendViaCall(address payable _to) public payable {
   (bool sent, bytes memory data) = _to.call{value:msg.value}("");
   require(sent, "Failed to send Ether");
}