signal callback delegate or function to connect
void callback(webkit.automation_session.AutomationSession automationSession)
automationSession the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to WillClose signal.
This signal is emitted when the given automation session is about to finish. It allows clients to perform any cleanup tasks before the session is destroyed.