What is event ID for dhcp-client IP lease? (Or ia there a better way?)

Hi, I need to do a net use when an IP is assigned via DHCP. The only way that I can find to do this is to schedule a task based on a logged event. To do this I need to specify * the log (I picked "Microsoft Windows DHCP Events/Admin") * the source (I picked Dhcp-Client) * the event ID (_this is what I can't figure out_) I looked at the logs with the Event Viewer and found a bunch of...