[ovirt-users] How to invoke ovirt-guest-agent hook from ovirt engine SDK ?

HI, I was exploring more about ovirt-gueste-engin. It look to me very easy to configure add add hook as script. But my doubt is, how to invoke those script from ovirt-engine ? Please some one help me to understand this part. I am looking into python SDK code to figure out same but still not got luck Thanks, ~Rohit