Soldiity Events Example 3

pragma solidity ^0.4.10;

contract Cont {
    function func() {
        bytes32 _id = 0x420042;
        log3(
            bytes32(msg.sender),
            bytes32(msg.value),
            bytes32(/*hexadecimal equivalent to kecak256("Deposit(address,hash256,uint256)")*/),
            _id
        );
    }
}