Event listen for lumen log

Hello,

I'm fairly new to Lumen/Laravel so baer with me :)

I'm trying to use Events to listen for any writing to the log file.

Event::listen('illuminate.log', function()
{
    // Log was written to
});

however this doesn't s seem to work. I tried listening with wildcard to see what events are fired, and I get all sorts of events, but not any log related

Event::listen('*', function()
{
    // Lots of events
});

Am I doing this the wrong way? I have my own listeners and events and those are working just fine.

Thx in advance