Calendar data is stored in a proprietary format in the various calendar databases. You retrieve calendar data using WCAP commands with the fmt-out parameter set to either text/calendar or text/xml.
Calendar Server communicates with Communications Express using the text/xml format.
WCAP is a command based system consisting of client requests and server responses for transmitting calendaring data. WCAP returns calendaring data using the HTTP protocol. In most cases, Calendar Server receives data through URL-encoded arguments.
WCAP commands consist of four general categories of usage:
User Configuration Information
Web Calendaring Data
Communication-sending for group scheduling