iPhone上的原生Google地图应用程序支持哪些KML字段？

I have been doing some research on using maps in iPhone applications and it looks like most of my needs can be met passing KML data into the built-in google maps application, but I cannot seem to set the same values (phone, home page, address) that are available when performing a built-in search in the maps application. Does anyone know if there is any way to set those values, or what fields are available?I have been doing some research on using maps i