Zoneminder：发出警报事件时发送短信

I've installed Zoneminder and also connected a mobile phone via usbserial module (and with gammu I can send sms). I would like to send a SMS when Zoneminder invoke an alarm. I've already created a simple script (and tested) called sendsms.sh that, using gammu, send a SMS when invoked. How do I have to do? I've installed Zoneminder and also connected a