this is the custom webhook I am using to make calls via gohighlevel, as you can see it sends the contact name as well how do I refer it inside my system prompt so that the AI dynamically says the name https://cdn.discordapp.com/attachments/1211484481848873020/1250545785461014578/image.png?ex=666b5505&is=666a0385&hm=2f9a877be1519775481cf67a6b7f83823e1ed1dae8a232be64a5bc10c46985c6&