# RFC5546 - Group Event Request

# A sample meeting request is sent from "A" to "B", "C", and "D".
> put a@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
PRODID:-//Example/ExampleCalendarClient//EN
VERSION:2.0
BEGIN:VEVENT
ORGANIZER:mailto:a@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED;CN=A:mailto:a@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=B:mailto:b@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=C:mailto:c@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=ROOM:conf_big@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE:mailto:e@example.com
DTSTAMP:19970611T190000Z
DTSTART:19970701T200000Z
DTEND:19970701T2100000Z
SUMMARY:Conference
UID:calsrv.example.com-873970198738777@example.com
SEQUENCE:0
STATUS:CONFIRMED
END:VEVENT
END:VCALENDAR

> expect
from: a@example.com
to: b@example.com, c@example.com, d@example.com
summary: invite
summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: Some("B"), is_organizer: false }, ItipParticipant { email: "c@example.com", name: Some("C"), is_organizer: false }, ItipParticipant { email: "conf_big@example.com", name: None, is_organizer: false }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 867787200, tz_id: 32768 })
summary.summary: Text("Conference")
BEGIN:VCALENDAR
METHOD:REQUEST
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Conference
DTEND:19970701T2100000Z
DTSTART:19970701T200000Z
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED;CN=A:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE:mailto:e@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=ROOM:conf_big@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=B;PARTSTAT=NEEDS-ACTION:mailto:b@ex
 ample.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=C;PARTSTAT=NEEDS-ACTION:mailto:c@ex
 ample.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@
 example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:0
SEQUENCE:0
END:VEVENT
END:VCALENDAR

# Send iTIP request to B, C, and D
> send

# Make sure B receives the request
> get b@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Conference
DTEND:19970701T2100000Z
DTSTART:19970701T200000Z
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED;CN=A:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE:mailto:e@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=ROOM:conf_big@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=B;PARTSTAT=NEEDS-ACTION:mailto:b@ex
 ample.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=C;PARTSTAT=NEEDS-ACTION:mailto:c@ex
 ample.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@
 example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:0
SEQUENCE:0
END:VEVENT
END:VCALENDAR

# B accepts the request
> put b@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//INBUXA//INBUXA Server//EN
BEGIN:VEVENT
DTSTAMP:19970701T200000Z
SEQUENCE:1
UID:calsrv.example.com-873970198738777@example.com
ORGANIZER:mailto:a@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED;CN=A:mailto:a@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=B;PARTSTAT=ACCEPTED:mailto:b@exa
 mple.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=C;PARTSTAT=NEEDS-ACTION:mailto:c@ex
 ample.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@
 example.com
ATTENDEE;RSVP=FALSE;CUTYPE=ROOM:conf_big@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE:mailto:e@example.com
DTSTART:19970701T200000Z
DTEND:19970701T2100000Z
SUMMARY:Conference
STATUS:CONFIRMED
END:VEVENT
END:VCALENDAR

> expect
from: b@example.com
to: a@example.com
summary: rsvp ACCEPTED
summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: Some("B"), is_organizer: false }, ItipParticipant { email: "c@example.com", name: Some("C"), is_organizer: false }, ItipParticipant { email: "conf_big@example.com", name: None, is_organizer: false }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 867787200, tz_id: 32768 })
summary.summary: Text("Conference")
BEGIN:VCALENDAR
METHOD:REPLY
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
SUMMARY:Conference
DTEND:19970701T2100000Z
DTSTART:19970701T200000Z
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=B;PARTSTAT=ACCEPTED:mailto:b@exampl
 e.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:0
SEQUENCE:1
REQUEST-STATUS:2.0;Success
END:VEVENT
END:VCALENDAR

# Send iTIP reply to A
> send

# Make sure A receives the reply
> get a@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
PRODID:-//Example/ExampleCalendarClient//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Conference
DTEND:19970701T2100000Z
DTSTART:19970701T200000Z
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED;CN=A:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE:mailto:e@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=ROOM:conf_big@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=B;PARTSTAT=ACCEPTED;SCHEDULE-STATUS
 =2.0:mailto:b@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=C:mailto:c@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:1
SEQUENCE:0
END:VEVENT
END:VCALENDAR

# A moved the event to a new time
> put a@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
PRODID:-//Example/ExampleCalendarClient//EN
VERSION:2.0
BEGIN:VEVENT
ORGANIZER:mailto:a@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL:mailto:b@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL:mailto:c@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE:mailto:e@example.com
DTSTART:19970701T180000Z
DTEND:19970701T190000Z
SUMMARY:Phone Conference
UID:calsrv.example.com-873970198738777@example.com
SEQUENCE:1
DTSTAMP:19970613T190000Z
STATUS:CONFIRMED
END:VEVENT
END:VCALENDAR

> expect
from: a@example.com
to: b@example.com, c@example.com, d@example.com
summary: update REQUEST
summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: None, is_organizer: false }, ItipParticipant { email: "c@example.com", name: None, is_organizer: false }, ItipParticipant { email: "conf@example.com", name: None, is_organizer: false }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 867780000, tz_id: 32768 })
summary.summary: Text("Phone Conference")
~summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: Some("B"), is_organizer: false }, ItipParticipant { email: "c@example.com", name: Some("C"), is_organizer: false }, ItipParticipant { email: "conf_big@example.com", name: None, is_organizer: false }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
~summary.dtstart: Time(ItipTime { start: 867787200, tz_id: 32768 })
~summary.summary: Text("Conference")
BEGIN:VCALENDAR
METHOD:REQUEST
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE:mailto:e@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@
 example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example
 .com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:c@example
 .com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:0
SEQUENCE:2
END:VEVENT
END:VCALENDAR

# Send iTIP request to B, C, and D
> send

# Make sure C receives the request
> get c@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE:mailto:e@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@
 example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example
 .com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:c@example
 .com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:0
SEQUENCE:2
END:VEVENT
END:VCALENDAR

# "C" delegates presence at the meeting to "E".
> put c@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//INBUXA//INBUXA Server//EN
BEGIN:VEVENT
DTSTAMP:19970701T180000Z
UID:calsrv.example.com-873970198738777@example.com
ORGANIZER:mailto:a@example.com
STATUS:CONFIRMED
SEQUENCE:2
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example
 .com
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@example.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com":mailto:e@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@
 example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
DTSTART:19970701T180000Z
DTEND:19970701T190000Z
SUMMARY:Phone Conference
END:VEVENT
END:VCALENDAR

> expect
from: c@example.com
to: a@example.com
summary: rsvp DELEGATED
summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: None, is_organizer: false }, ItipParticipant { email: "c@example.com", name: None, is_organizer: false }, ItipParticipant { email: "conf@example.com", name: None, is_organizer: false }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 867780000, tz_id: 32768 })
summary.summary: Text("Phone Conference")
BEGIN:VCALENDAR
METHOD:REPLY
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@ex
 ample.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com":mailto:e@example.c
 om
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:0
SEQUENCE:2
REQUEST-STATUS:2.0;Success
END:VEVENT
END:VCALENDAR
================================
from: c@example.com
to: e@example.com
summary: invite
summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: None, is_organizer: false }, ItipParticipant { email: "c@example.com", name: None, is_organizer: false }, ItipParticipant { email: "conf@example.com", name: None, is_organizer: false }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 867780000, tz_id: 32768 })
summary.summary: Text("Phone Conference")
BEGIN:VCALENDAR
METHOD:REQUEST
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@ex
 ample.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@
 example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example
 .com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=NEEDS-ACT
 ION:mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:0
SEQUENCE:2
END:VEVENT
END:VCALENDAR

> send

# Make sure E receives the request
> get e@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@ex
 ample.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@
 example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example
 .com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=NEEDS-ACT
 ION:mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:0
SEQUENCE:2
END:VEVENT
END:VCALENDAR

# Make sure A receives the request
> get a@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
PRODID:-//Example/ExampleCalendarClient//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;CUTYPE=INDIVIDUAL;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@exampl
 e.com";SCHEDULE-STATUS=2.0:mailto:c@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL:mailto:b@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com":mailto:e@example.c
 om
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:2
SEQUENCE:2
END:VEVENT
END:VCALENDAR

# Delegate E accepts the request
> put e@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//INBUXA//INBUXA Server//EN
BEGIN:VEVENT
DTSTAMP:19970701T180000Z
SEQUENCE:2
UID:calsrv.example.com-873970198738777@example.com
ORGANIZER:mailto:a@example.com
STATUS:CONFIRMED
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example
 .com
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@ex
 ample.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=ACCEPTED:mailto:e@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@
 example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
DTSTART:19970701T180000Z
DTEND:19970701T190000Z
SUMMARY:Phone Conference
END:VEVENT
END:VCALENDAR

> expect
from: e@example.com
to: a@example.com, c@example.com
summary: rsvp ACCEPTED
summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: None, is_organizer: false }, ItipParticipant { email: "c@example.com", name: None, is_organizer: false }, ItipParticipant { email: "conf@example.com", name: None, is_organizer: false }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 867780000, tz_id: 32768 })
summary.summary: Text("Phone Conference")
BEGIN:VCALENDAR
METHOD:REPLY
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@ex
 ample.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=ACCEPTED:
 mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:0
SEQUENCE:2
REQUEST-STATUS:2.0;Success
END:VEVENT
END:VCALENDAR

> send

# Make sure A receives the reply
> get a@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
PRODID:-//Example/ExampleCalendarClient//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;CUTYPE=INDIVIDUAL;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@exampl
 e.com";SCHEDULE-STATUS=2.0:mailto:c@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL:mailto:b@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=ACCEPTED;
 SCHEDULE-STATUS=2.0:mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:2
SEQUENCE:2
END:VEVENT
END:VCALENDAR

# Make sure C receives the reply
> get c@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@ex
 ample.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@
 example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example
 .com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=ACCEPTED;
 SCHEDULE-STATUS=2.0:mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:3
SEQUENCE:2
END:VEVENT
END:VCALENDAR

# Delegate E declines the request
> put e@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//INBUXA//INBUXA Server//EN
BEGIN:VEVENT
DTSTAMP:19970701T180000Z
SEQUENCE:2
UID:calsrv.example.com-873970198738777@example.com
ORGANIZER:mailto:a@example.com
STATUS:CONFIRMED
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example
 .com
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@ex
 ample.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=DECLINED:mailto:e@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@
 example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
DTSTART:19970701T180000Z
DTEND:19970701T190000Z
SUMMARY:Phone Conference
END:VEVENT
END:VCALENDAR

> expect
from: e@example.com
to: a@example.com, c@example.com
summary: rsvp DECLINED
summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: None, is_organizer: false }, ItipParticipant { email: "c@example.com", name: None, is_organizer: false }, ItipParticipant { email: "conf@example.com", name: None, is_organizer: false }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 867780000, tz_id: 32768 })
summary.summary: Text("Phone Conference")
BEGIN:VCALENDAR
METHOD:REPLY
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@ex
 ample.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=DECLINED:
 mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:0
SEQUENCE:2
REQUEST-STATUS:2.0;Success
END:VEVENT
END:VCALENDAR

# Send iTIP reply to A and C
> send

# Make sure C receives the reply
> get c@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@ex
 ample.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@
 example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example
 .com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=DECLINED;
 SCHEDULE-STATUS=2.0:mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:3
SEQUENCE:2
END:VEVENT
END:VCALENDAR

# Make sure A receives the reply
> get a@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
PRODID:-//Example/ExampleCalendarClient//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;CUTYPE=INDIVIDUAL;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@exampl
 e.com";SCHEDULE-STATUS=2.0:mailto:c@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL:mailto:b@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=DECLINED;
 SCHEDULE-STATUS=2.0:mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:2
SEQUENCE:2
END:VEVENT
END:VCALENDAR

# Remove B and expect an iTIP cancelation
> put a@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
PRODID:-//Example/ExampleCalendarClient//EN
VERSION:2.0
BEGIN:VEVENT
ORGANIZER:mailto:a@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;CUTYPE=INDIVIDUAL;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@exam
 ple.com";SCHEDULE-STATUS=2.0:mailto:c@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=DECLINED;
 SCHEDULE-STATUS=2.0:mailto:e@example.com
DTSTART:19970701T180000Z
DTEND:19970701T190000Z
SUMMARY:Phone Conference
UID:calsrv.example.com-873970198738777@example.com
SEQUENCE:2
DTSTAMP:19970701T180000Z
STATUS:CONFIRMED
END:VEVENT
END:VCALENDAR

> expect
from: a@example.com
to: c@example.com, d@example.com
summary: update REQUEST
summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "c@example.com", name: None, is_organizer: false }, ItipParticipant { email: "conf@example.com", name: None, is_organizer: false }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 867780000, tz_id: 32768 })
summary.summary: Text("Phone Conference")
~summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: None, is_organizer: false }, ItipParticipant { email: "c@example.com", name: None, is_organizer: false }, ItipParticipant { email: "conf@example.com", name: None, is_organizer: false }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
BEGIN:VCALENDAR
METHOD:REQUEST
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;CUTYPE=INDIVIDUAL;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@exampl
 e.com":mailto:c@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@
 example.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=DECLINED:
 mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:0
SEQUENCE:3
END:VEVENT
END:VCALENDAR
================================
from: a@example.com
to: b@example.com
summary: cancel
summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: None, is_organizer: false }, ItipParticipant { email: "c@example.com", name: None, is_organizer: false }, ItipParticipant { email: "conf@example.com", name: None, is_organizer: false }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 867780000, tz_id: 32768 })
summary.summary: Text("Phone Conference")
BEGIN:VCALENDAR
METHOD:CANCEL
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CANCELLED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL:mailto:b@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:0
SEQUENCE:3
END:VEVENT
END:VCALENDAR

# Send iTIP cancelation
> send

# Make sure B receives the cancelation
> get b@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CANCELLED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL:mailto:b@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:0
END:VEVENT
END:VCALENDAR

# Delete the event from A's calendar and expect an iTIP cancelation
> delete a@example.com calsrv.example.com-873970198738777@example.com

> expect
from: a@example.com
to: c@example.com, d@example.com
summary: cancel
summary.dtstart: Time(ItipTime { start: 867780000, tz_id: 32768 })
summary.summary: Text("Phone Conference")
BEGIN:VCALENDAR
METHOD:CANCEL
PRODID:-//INBUXA//INBUXA Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CANCELLED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;CUTYPE=INDIVIDUAL;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@exampl
 e.com";SCHEDULE-STATUS=2.0:mailto:c@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.co
 m
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=DECLINED;
 SCHEDULE-STATUS=2.0:mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:0
SEQUENCE:4
END:VEVENT
END:VCALENDAR