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On reception of Wilfredo's reply, Cyrus's server will automatically update Cyrus's scheduling object resource, make Wilfredo's scheduling message available in Cyrus's scheduling Inbox collection, and deliver an updated scheduling message to Bernard to share Wilfredo's updated participation status. In this example, Cyrus's client retrieves and deletes this scheduling message in his scheduling Inbox collection.

>> Request <<

GET /home/cyrus/calendars/inbox/c0a58c27d93f.ics HTTP/1.1 Host: cal.example.com

>> Response <<

HTTP/1.1 200 OK Date: Tue, 02 Jun 2009 19:05:02 GMT Last-Modified: Tue, 02 Jun 2009 19:04:20 GMT ETag: "9265eb897deabc8939589da116714bc9" Content-Type: text/calendar; charset="utf-8" Content-Length: xxxx

BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Example Corp.//CalDAV Server//EN
METHOD:REPLY
BEGIN:VEVENT
UID:9263504FD3AD
SEQUENCE:0
DTSTAMP:20090602T185754Z
DTSTART:20090602T160000Z
DTEND:20090602T170000Z
ORGANIZER;CN="Cyrus Daboo":mailto:cyrus@example.com
ATTENDEE;CN="Wilfredo Sanchez Vega";PARTSTAT=ACCEPTED:mailto:w
 ilfredo@example.com
REQUEST-STATUS:2.0;Success
END:VEVENT
END:VCALENDAR

>> Request <<

DELETE /home/cyrus/calendars/inbox/c0a58c27d93f.ics HTTP/1.1 Host: cal.example.com

>> Response <<

HTTP/1.1 204 No Content Date: Tue, 02 Jun 2009 19:05:05 GMT

Cyrus's client then retrieves the event back from the server with Wilfredo's updated participation status.

>> Request <<

GET /home/cyrus/calendars/work/9263504FD3AD.ics HTTP/1.1 Host: cal.example.com

>> Response <<

HTTP/1.1 200 OK Date: Tue, 02 Jun 2009 19:05:02 GMT Last-Modified: Tue, 02 Jun 2009 19:04:20 GMT ETag: "eb897deabc8939589da116714bc99265" Schedule-Tag: "132cab27-1fe3-67ab-de13-abd348d1dee3" Content-Type: text/calendar; charset="utf-8" Content-Length: xxxx

BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Example Corp.//CalDAV Server//EN
BEGIN:VEVENT
UID:9263504FD3AD
SEQUENCE:0
DTSTAMP:20090602T190420Z
DTSTART:20090602T160000Z
DTEND:20090602T170000Z
TRANSP:OPAQUE
SUMMARY:Lunch
ORGANIZER;CN="Cyrus Daboo":mailto:cyrus@example.com
ATTENDEE;CN="Cyrus Daboo";CUTYPE=INDIVIDUAL;PARTSTAT=ACCEPTED:
 mailto:cyrus@example.com
ATTENDEE;CN="Wilfredo Sanchez Vega";CUTYPE=INDIVIDUAL;PARTSTAT
 =ACCEPTED;ROLE=REQ-PARTICIPANT;RSVP=TRUE;SCHEDULE-STATUS=2.0:
 mailto:wilfredo@example.com
ATTENDEE;CN="Bernard Desruisseaux";CUTYPE=INDIVIDUAL;PARTSTAT=
 NEEDS-ACTION;ROLE=REQ-PARTICIPANT;RSVP=TRUE;SCHEDULE-STATUS=1
 .0:mailto:bernard@example.net
ATTENDEE;CN="Mike Douglass";CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-A
 CTION;RSVP=TRUE;SCHEDULE-STATUS=3.7:mailto:mike@example.org
END:VEVENT
END:VCALENDAR

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Need to test your iCalendar feeds? The iCalendar Validator provides developers and testers a method to validate their iCalendar feeds, which can take data from either a URL, file or text snippet and compare it against the RFC 5545 specification.  We believe we have one of the best iCalendar validation tools available on the internet. More information about the validator can be found here.