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Calendars.ReadWrite

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ApplicationDelegated Read/Write User Scope

Allows the app to create, read, update, and delete events of all calendars without a signed-in user.

Permission data: April 6, 2026 at 4:06 AM UTC
Delegated Access App-Only Access

Permission Details

Application Permission

Read and write calendars in all mailboxes

Allows the app to create, read, update, and delete events of all calendars without a signed-in user.

Permission ID: ef54d2bf-783f-4e0f-bca1-3210c0444d99
Delegated Permission User consent allowed

Have full access to user calendars

Allows the app to create, read, update, and delete events in user calendars.

User sees: Allows the app to read, update, create and delete events in your calendars.
Permission ID: 1ec239c2-d7c9-4623-a91a-a9775856bb36

Properties

Microsoft Graph v1.0 mapped-docs

Properties is shown from stable Microsoft Graph v1.0 metadata.

Property Type Description
allowedOnlineMeetingProviders onlineMeetingProviderType collection Represent the online meeting service providers that can be used to create online meetings in this calendar. The possible values are: unknown, skypeForBusiness, skypeForConsumer, teamsForBusiness.
canEdit BooleanNullable true if the user can write to the calendar, false otherwise. This property is true for the user who created the calendar. This property is also true for a user who shared a calendar and granted write access.
canShare BooleanNullable true if the user has permission to share the calendar, false otherwise. Only the user who created the calendar can share it.
canViewPrivateItems BooleanNullable If true, the user can read calendar items that have been marked private, false otherwise.
changeKey StringNullable Identifies the version of the calendar object. Every time the calendar is changed, changeKey changes as well. This allows Exchange to apply changes to the correct version of the object. Read-only.
color calendarColor Specifies the color theme to distinguish the calendar from other calendars in a UI. The property values are: auto, lightBlue, lightGreen, lightOrange, lightGray, lightYellow, lightTeal, lightPink, lightBrown, lightRed, maxColor.
defaultOnlineMeetingProvider onlineMeetingProviderType The default online meeting provider for meetings sent from this calendar. The possible values are: unknown, skypeForBusiness, skypeForConsumer, teamsForBusiness.
hexColor StringNullable The calendar color, expressed in a hex color code of three hexadecimal values, each ranging from 00 to FF and representing the red, green, or blue components of the color in the RGB color space. If the user has never explicitly set a color for the calendar, this property is empty. Read-only.
id String The calendar's unique identifier. Read-only.
isDefaultCalendar BooleanNullable true if this is the default calendar where new events are created by default, false otherwise.
isRemovable BooleanNullable Indicates whether this user calendar can be deleted from the user mailbox.
isTallyingResponses BooleanNullable Indicates whether this user calendar supports tracking of meeting responses. Only meeting invites sent from users' primary calendars support tracking of meeting responses.
name StringNullable The calendar name.
owner emailAddress If set, this represents the user who created or added the calendar. For a calendar that the user created or added, the owner property is set to the user. For a calendar shared with the user, the owner property is set to the person who shared that calendar with the user.
calendarPermissions calendarPermission collection The permissions of the users with whom the calendar is shared.

Showing 15 of 19 properties.

JSON Representation

Microsoft Graph v1.0 mapped-docs

JSON representation is shown from stable Microsoft Graph v1.0 metadata.

JSON representation 
{
  "allowedOnlineMeetingProviders": [
    "string"
  ],
  "canEdit": "boolean",
  "canShare": "boolean",
  "canViewPrivateItems": "boolean",
  "changeKey": "string",
  "color": "String",
  "defaultOnlineMeetingProvider": "string",
  "hexColor": "String",
  "id": "string (identifier)",
  "isDefaultCalendar": "boolean",
  "isRemovable": "boolean",
  "isTallyingResponses": "boolean",
  "name": "string",
  "owner": {
    "@odata.type": "microsoft.graph.emailAddress"
  }
}

Relationships

Microsoft Graph v1.0 mapped-docs

Relationships is shown from stable Microsoft Graph v1.0 metadata.

Relationship Type Description
calendarPermissions calendarPermission collection The permissions of the users with whom the calendar is shared.
calendarView Event collection The calendar view for the calendar. Navigation property. Read-only.
events Event collection The events in the calendar. Navigation property. Read-only.
multiValueExtendedProperties multiValueLegacyExtendedProperty collection The collection of multi-value extended properties defined for the calendar. Read-only. Nullable.
singleValueExtendedProperties singleValueLegacyExtendedProperty collection The collection of single-value extended properties defined for the calendar. Read-only. Nullable.
allowedOnlineMeetingProviders array Represent the online meeting service providers that can be used to create online meetings in this calendar. The possible values are: unknown, skypeForBusiness, skypeForConsumer, teamsForBusiness.
owner object If set, this represents the user who created or added the calendar. For a calendar that the user created or added, the owner property is set to the user. For a calendar shared with the user, the owner property is set to the person who shared that calendar with the user.

Graph Methods

Delegated access App-only access
Exact Microsoft Learn match

Microsoft Graph v1.0 endpoints are mapped directly from refreshed Microsoft Learn permissions tables.

Methods
GET /groups/{id}/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /me/calendar/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /me/calendar/events
GET /me/calendarGroups
GET /me/calendarGroups/{calendargroupid}/calendars
GET /me/calendarGroups/{id}/calendars
GET /me/calendarGroups/{id}/calendars/{id}/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /me/calendarGroups/{id}/calendars/{id}/events
GET /me/calendars
GET /me/calendars/{id}/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /me/calendars/{id}/events
GET /me/calendarView/delta?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /me/events
GET /me/settings/workHoursAndLocations
GET /me/settings/workHoursAndLocations/occurrencesView(startDateTime='{startDateTime}',endDateTime='{endDateTime}')
GET /me/settings/workHoursAndLocations/recurrences
GET /places/{placesId}/checkIns/{calendarEventId}
GET /users/{id | userPrincipalName}/calendar/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /users/{id | userPrincipalName}/calendar/events
GET /users/{id | userPrincipalName}/calendarGroups
GET /users/{id | userPrincipalName}/calendarGroups/{calendargroupid}/calendars
GET /users/{id | userPrincipalName}/calendarGroups/{id}/calendars
GET /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events
GET /users/{id | userPrincipalName}/calendars
GET /users/{id | userPrincipalName}/calendars/{id}/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /users/{id | userPrincipalName}/calendars/{id}/events
GET /users/{id | userPrincipalName}/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /users/{id | userPrincipalName}/events
GET /users/{id | userPrincipalName}/reminderView(startDateTime={startDateTime-value},endDateTime={endDateTime-value})
GET /users/{id | userPrincipalName}/settings/workHoursAndLocations
GET /users/{id | userPrincipalName}/settings/workHoursAndLocations/occurrencesView(startDateTime='{startDateTime}',endDateTime='{endDateTime}')
GET /users/{id | userPrincipalName}/settings/workHoursAndLocations/recurrences
GET /users/{id}/calendarView/delta?startDateTime={startdatetime}&endDateTime={enddatetime}
POST /groups/{groupsId}/calendarView/{eventId}/permanentDelete
POST /groups/{groupsId}/events/{eventId}/permanentDelete
POST /groups/{id}/calendar/events/{id}/cancel
POST /groups/{id}/events/{id}/cancel
POST /me/calendar/events
POST /me/calendar/events/{id}/accept
POST /me/calendar/events/{id}/attachments
POST /me/calendar/events/{id}/cancel
POST /me/calendar/events/{id}/decline
POST /me/calendar/events/{id}/dismissReminder
POST /me/calendar/events/{id}/snoozeReminder
POST /me/calendar/events/{id}/tentativelyAccept
POST /me/calendar/getSchedule
POST /me/calendarGroups
POST /me/calendarGroups/{id}/calendars
POST /me/calendarGroups/{id}/calendars/{id}/events/{id}/accept
POST /me/calendarGroups/{id}/calendars/{id}/events/{id}/attachments
POST /me/calendarGroups/{id}/calendars/{id}/events/{id}/cancel
POST /me/calendarGroups/{id}/calendars/{id}/events/{id}/decline
POST /me/calendarGroups/{id}/calendars/{id}/events/{id}/dismissReminder
POST /me/calendarGroups/{id}/calendars/{id}/events/{id}/snoozeReminder
POST /me/calendarGroups/{id}/calendars/{id}/events/{id}/tentativelyAccept
POST /me/calendars
POST /me/calendars/{id}/events
POST /me/calendars/{id}/events/{id}/accept
POST /me/calendars/{id}/events/{id}/attachments
POST /me/calendars/{id}/events/{id}/cancel
POST /me/calendars/{id}/events/{id}/decline
POST /me/calendars/{id}/events/{id}/dismissReminder
POST /me/calendars/{id}/events/{id}/snoozeReminder
POST /me/calendars/{id}/events/{id}/tentativelyAccept
POST /me/events
POST /me/events/{id}/accept
POST /me/events/{id}/attachments
POST /me/events/{id}/attachments/createUploadSession
POST /me/events/{id}/cancel
POST /me/events/{id}/decline
POST /me/events/{id}/dismissReminder
POST /me/events/{id}/snoozeReminder
POST /me/events/{id}/tentativelyAccept
POST /me/messages/{id}/attachments/createUploadSession
POST /me/settings/workHoursAndLocations/occurrences
POST /me/settings/workHoursAndLocations/occurrences/setCurrentLocation
POST /me/settings/workHoursAndLocations/recurrences
POST /places/{placesId}/checkIns
POST /solutions/bookingBusinesses/{id}/getStaffAvailability
POST /users/{id | userPrincipalName}/calendar/{calendarId}/permanentDelete
POST /users/{id | userPrincipalName}/calendar/events
POST /users/{id | userPrincipalName}/calendar/events/{id}/accept
POST /users/{id | userPrincipalName}/calendar/events/{id}/attachments
POST /users/{id | userPrincipalName}/calendar/events/{id}/cancel
POST /users/{id | userPrincipalName}/calendar/events/{id}/decline
POST /users/{id | userPrincipalName}/calendar/events/{id}/dismissReminder
POST /users/{id | userPrincipalName}/calendar/events/{id}/snoozeReminder
POST /users/{id | userPrincipalName}/calendar/events/{id}/tentativelyAccept
POST /users/{id | userPrincipalName}/calendarGroups
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}/accept
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}/attachments
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}/cancel
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}/decline
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}/dismissReminder
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}/snoozeReminder
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}/tentativelyAccept
POST /users/{id | userPrincipalName}/calendars
POST /users/{id | userPrincipalName}/calendars/{id}/events
POST /users/{id | userPrincipalName}/calendars/{id}/events/{id}/accept
POST /users/{id | userPrincipalName}/calendars/{id}/events/{id}/attachments
POST /users/{id | userPrincipalName}/calendars/{id}/events/{id}/cancel
POST /users/{id | userPrincipalName}/calendars/{id}/events/{id}/decline
POST /users/{id | userPrincipalName}/calendars/{id}/events/{id}/dismissReminder
POST /users/{id | userPrincipalName}/calendars/{id}/events/{id}/snoozeReminder
POST /users/{id | userPrincipalName}/calendars/{id}/events/{id}/tentativelyAccept
POST /users/{id | userPrincipalName}/events
POST /users/{id | userPrincipalName}/events/{id}/accept
POST /users/{id | userPrincipalName}/events/{id}/attachments
POST /users/{id | userPrincipalName}/events/{id}/attachments/createUploadSession
POST /users/{id | userPrincipalName}/events/{id}/cancel
POST /users/{id | userPrincipalName}/events/{id}/decline
POST /users/{id | userPrincipalName}/events/{id}/dismissReminder
POST /users/{id | userPrincipalName}/events/{id}/snoozeReminder
POST /users/{id | userPrincipalName}/events/{id}/tentativelyAccept
POST /users/{id | userPrincipalName}/messages/{id}/attachments/createUploadSession
POST /users/{id | userPrincipalName}/settings/workHoursAndLocations/occurrences
POST /users/{id | userPrincipalName}/settings/workHoursAndLocations/occurrences/setCurrentLocation
POST /users/{id | userPrincipalName}/settings/workHoursAndLocations/recurrences
POST /users/{id|userPrincipalName}/calendar/getSchedule
POST /users/{usersId}/calendarView/{eventId}/permanentDelete
POST /users/{usersId}/events/{eventId}/permanentDelete
POST /users/{usersId}/messages/{messageId}/event/calendar/calendarView/{eventId}/permanentDelete
POST /users/{usersId}/messages/{messageId}/event/calendar/events/{eventId}/permanentDelete
POST /users/{usersId}/messages/{messageId}/event/exceptionOccurrences/{eventId}/permanentDelete
POST /users/{usersId}/messages/{messageId}/event/instances/{eventId}/permanentDelete
POST /users/{usersId}/messages/{messageId}/event/permanentDelete
PATCH /groups/{id}/calendar/events/{id}
PATCH /groups/{id}/events/{id}
PATCH /me/calendar/events/{id}
PATCH /me/calendarGroups/{id}
PATCH /me/calendarGroups/{id}/calendars/{id}/events/{id}
PATCH /me/calendars/{id}/events/{id}
PATCH /me/events/{id}
PATCH /me/settings/workHoursAndLocations
PATCH /users/{id | userPrincipalName}/calendar/events/{id}
PATCH /users/{id | userPrincipalName}/calendarGroups/{id}
PATCH /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}
PATCH /users/{id | userPrincipalName}/calendars/{id}/events/{id}
PATCH /users/{id | userPrincipalName}/events/{id}
PATCH /users/{id | userPrincipalName}/settings/workHoursAndLocations
PUT /me/settings/workHoursAndLocations/occurrences/{id}
PUT /me/settings/workHoursAndLocations/recurrences/{id}
PUT /users/{id | userPrincipalName}/settings/workHoursAndLocations/occurrences/{id}
PUT /users/{id | userPrincipalName}/settings/workHoursAndLocations/recurrences/{id}
DELETE /groups/{id}/calendar/calendarPermissions/{id}
DELETE /groups/{id}/calendar/events/{id}/
DELETE /groups/{id}/events/{id}
DELETE /me/calendar/events/{id}
DELETE /me/calendarGroups/{id}
DELETE /me/calendarGroups/{id}/calendars/{id}
DELETE /me/calendarGroups/{id}/calendars/{id}/events/{id}
DELETE /me/calendars/{id}
DELETE /me/calendars/{id}/events/{id}
DELETE /me/events/{id}
DELETE /me/settings/workHoursAndLocations/occurrences/{id}
DELETE /me/settings/workHoursAndLocations/recurrences/{id}
DELETE /users/{id | userPrincipalName}/calendar/events/{id}
DELETE /users/{id | userPrincipalName}/calendarGroups/{id}
DELETE /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}
DELETE /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}
DELETE /users/{id | userPrincipalName}/calendars/{id}
DELETE /users/{id | userPrincipalName}/calendars/{id}/events/{id}
DELETE /users/{id | userPrincipalName}/events/{id}
DELETE /users/{id | userPrincipalName}/settings/workHoursAndLocations/occurrences/{id}
DELETE /users/{id | userPrincipalName}/settings/workHoursAndLocations/recurrences/{id}
DELETE /users/{id}/calendar/calendarPermissions/{id}
DELETE /users/{id}/events/{id}/calendar/calendarPermissions/{id}
Exact Microsoft Learn match

Microsoft Graph beta endpoints are mapped directly from refreshed Microsoft Learn permissions tables.

Methods
GET /groups/{id}/calendar/events/delta
GET /groups/{id}/calendar/events/delta?startDateTime={startdatetime}
GET /groups/{id}/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /groups/{id}/events/delta
GET /groups/{id}/events/delta?startDateTime={startdatetime}
GET /me/calendar/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /me/calendar/events
GET /me/calendar/events/delta
GET /me/calendar/events/delta?startDateTime={startdatetime}
GET /me/calendarGroups
GET /me/calendarGroups/{calendargroupid}/calendars
GET /me/calendarGroups/{id}/calendars
GET /me/calendarGroups/{id}/calendars/{id}/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /me/calendarGroups/{id}/calendars/{id}/events
GET /me/calendarGroups/{id}/calendars/{id}/events/delta
GET /me/calendarGroups/{id}/calendars/{id}/events/delta?startDateTime={startdatetime}
GET /me/calendars
GET /me/calendars/{id}/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /me/calendars/{id}/calendarView/delta?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /me/calendars/{id}/events
GET /me/calendars/{id}/events/delta
GET /me/calendars/{id}/events/delta?startDateTime={startdatetime}
GET /me/calendars/delta
GET /me/calendarView/delta?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /me/events
GET /me/events/delta
GET /me/events/delta?startDateTime={startdatetime}
GET /me/settings/workHoursAndLocations
GET /me/settings/workHoursAndLocations/occurrencesView(startDateTime='{startDateTime}',endDateTime='{endDateTime}')
GET /me/settings/workHoursAndLocations/recurrences
GET /places/{placesId}/checkIns/{calendarEventId}
GET /users/{id | userPrincipalName}/calendar/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /users/{id | userPrincipalName}/calendar/events
GET /users/{id | userPrincipalName}/calendar/events/delta
GET /users/{id | userPrincipalName}/calendar/events/delta?startDateTime={startdatetime}
GET /users/{id | userPrincipalName}/calendarGroups
GET /users/{id | userPrincipalName}/calendarGroups/{calendargroupid}/calendars
GET /users/{id | userPrincipalName}/calendarGroups/{id}/calendars
GET /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events
GET /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/delta
GET /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/delta?startDateTime={startdatetime}
GET /users/{id | userPrincipalName}/calendars
GET /users/{id | userPrincipalName}/calendars/{id}/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /users/{id | userPrincipalName}/calendars/{id}/events
GET /users/{id | userPrincipalName}/calendars/{id}/events/delta
GET /users/{id | userPrincipalName}/calendars/{id}/events/delta?startDateTime={startdatetime}
GET /users/{id | userPrincipalName}/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /users/{id | userPrincipalName}/events
GET /users/{id | userPrincipalName}/events/delta
GET /users/{id | userPrincipalName}/events/delta?startDateTime={startdatetime}
GET /users/{id | userPrincipalName}/reminderView(startDateTime={startDateTime},endDateTime={endDateTime})
GET /users/{id | userPrincipalName}/settings/workHoursAndLocations
GET /users/{id | userPrincipalName}/settings/workHoursAndLocations/occurrencesView(startDateTime='{startDateTime}',endDateTime='{endDateTime}')
GET /users/{id | userPrincipalName}/settings/workHoursAndLocations/recurrences
GET /users/{id}/calendars/{id}/calendarView/delta?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /users/{id}/calendarView/delta?startDateTime={startdatetime}&endDateTime={enddatetime}
GET /users/{usersId}/calendars/delta
POST /groups/{groupsId}/calendar/permanentDelete
POST /groups/{groupsId}/calendarView/{eventId}/permanentDelete
POST /groups/{groupsId}/events/{eventId}/permanentDelete
POST /groups/{id}/calendar/events/{id}/cancel
POST /groups/{id}/events/{id}/cancel
POST /me/calendar/events
POST /me/calendar/events/{id}/accept
POST /me/calendar/events/{id}/cancel
POST /me/calendar/events/{id}/decline
POST /me/calendar/events/{id}/dismissReminder
POST /me/calendar/events/{id}/snoozeReminder
POST /me/calendar/events/{id}/tentativelyAccept
POST /me/calendar/getSchedule
POST /me/calendarGroups
POST /me/calendarGroups/{id}/calendars
POST /me/calendarGroups/{id}/calendars/{id}/events/{id}/accept
POST /me/calendarGroups/{id}/calendars/{id}/events/{id}/cancel
POST /me/calendarGroups/{id}/calendars/{id}/events/{id}/decline
POST /me/calendarGroups/{id}/calendars/{id}/events/{id}/dismissReminder
POST /me/calendarGroups/{id}/calendars/{id}/events/{id}/snoozeReminder
POST /me/calendarGroups/{id}/calendars/{id}/events/{id}/tentativelyAccept
POST /me/calendars
POST /me/calendars/{id}/events
POST /me/calendars/{id}/events/{id}/accept
POST /me/calendars/{id}/events/{id}/cancel
POST /me/calendars/{id}/events/{id}/decline
POST /me/calendars/{id}/events/{id}/dismissReminder
POST /me/calendars/{id}/events/{id}/snoozeReminder
POST /me/calendars/{id}/events/{id}/tentativelyAccept
POST /me/events
POST /me/events/{id}/accept
POST /me/events/{id}/attachments
POST /me/events/{id}/attachments/createUploadSession
POST /me/events/{id}/cancel
POST /me/events/{id}/decline
POST /me/events/{id}/dismissReminder
POST /me/events/{id}/snoozeReminder
POST /me/events/{id}/tentativelyAccept
POST /me/messages/{id}/attachments/createUploadSession
POST /me/settings/workHoursAndLocations/occurrences
POST /me/settings/workHoursAndLocations/occurrences/setCurrentLocation
POST /me/settings/workHoursAndLocations/recurrences
POST /places/{placesId}/checkIns
POST /solutions/bookingbusinesses/{id}/getStaffAvailability
POST /users/{id | userPrincipalName}/calendar/events
POST /users/{id | userPrincipalName}/calendar/events/{id}/accept
POST /users/{id | userPrincipalName}/calendar/events/{id}/cancel
POST /users/{id | userPrincipalName}/calendar/events/{id}/decline
POST /users/{id | userPrincipalName}/calendar/events/{id}/dismissReminder
POST /users/{id | userPrincipalName}/calendar/events/{id}/snoozeReminder
POST /users/{id | userPrincipalName}/calendar/events/{id}/tentativelyAccept
POST /users/{id | userPrincipalName}/calendarGroups
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}/accept
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}/cancel
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}/decline
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}/dismissReminder
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}/snoozeReminder
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}/tentativelyAccept
POST /users/{id | userPrincipalName}/calendars
POST /users/{id | userPrincipalName}/calendars/{id}/events
POST /users/{id | userPrincipalName}/calendars/{id}/events/{id}/accept
POST /users/{id | userPrincipalName}/calendars/{id}/events/{id}/cancel
POST /users/{id | userPrincipalName}/calendars/{id}/events/{id}/decline
POST /users/{id | userPrincipalName}/calendars/{id}/events/{id}/dismissReminder
POST /users/{id | userPrincipalName}/calendars/{id}/events/{id}/snoozeReminder
POST /users/{id | userPrincipalName}/calendars/{id}/events/{id}/tentativelyAccept
POST /users/{id | userPrincipalName}/events
POST /users/{id | userPrincipalName}/events/{id}/accept
POST /users/{id | userPrincipalName}/events/{id}/attachments
POST /users/{id | userPrincipalName}/events/{id}/cancel
POST /users/{id | userPrincipalName}/events/{id}/decline
POST /users/{id | userPrincipalName}/events/{id}/dismissReminder
POST /users/{id | userPrincipalName}/events/{id}/snoozeReminder
POST /users/{id | userPrincipalName}/events/{id}/tentativelyAccept
POST /users/{id | userPrincipalName}/settings/workHoursAndLocations/occurrences
POST /users/{id | userPrincipalName}/settings/workHoursAndLocations/occurrences/setCurrentLocation
POST /users/{id | userPrincipalName}/settings/workHoursAndLocations/recurrences
POST /users/{id|userPrincipalName}/calendar/getSchedule
POST /users/{usersId}/calendar/permanentDelete
POST /users/{usersId}/calendarView/{eventId}/permanentDelete
POST /users/{usersId}/events/{eventId}/permanentDelete
POST /users/{usersId}/messages/{messageId}/event/calendar/calendarView/{eventId}/permanentDelete
POST /users/{usersId}/messages/{messageId}/event/calendar/events/{eventId}/permanentDelete
POST /users/{usersId}/messages/{messageId}/event/exceptionOccurrences/{eventId}/permanentDelete
POST /users/{usersId}/messages/{messageId}/event/instances/{eventId}/permanentDelete
POST /users/{usersId}/messages/{messageId}/event/permanentDelete
PATCH /groups/{id}/calendar/events/{id}
PATCH /groups/{id}/events/{id}
PATCH /me/calendar/events/{id}
PATCH /me/calendarGroups/{id}
PATCH /me/calendarGroups/{id}/calendars/{id}/events/{id}
PATCH /me/calendars/{id}/events/{id}
PATCH /me/events/{id}
PATCH /me/settings/workHoursAndLocations
PATCH /users/{id | userPrincipalName}/calendar/events/{id}
PATCH /users/{id | userPrincipalName}/calendarGroups/{id}
PATCH /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}
PATCH /users/{id | userPrincipalName}/calendars/{id}/events/{id}
PATCH /users/{id | userPrincipalName}/events/{id}
PATCH /users/{id | userPrincipalName}/settings/workHoursAndLocations
PUT /me/settings/workHoursAndLocations/occurrences/{id}
PUT /me/settings/workHoursAndLocations/recurrences/{id}
PUT /users/{id | userPrincipalName}/settings/workHoursAndLocations/occurrences/{id}
PUT /users/{id | userPrincipalName}/settings/workHoursAndLocations/recurrences/{id}
DELETE /groups/{id}/calendar/calendarPermissions/{id}
DELETE /groups/{id}/calendar/events/{id}/
DELETE /groups/{id}/events/{id}
DELETE /me/calendar/events/{id}
DELETE /me/calendarGroups/{id}
DELETE /me/calendarGroups/{id}/calendars/{id}
DELETE /me/calendarGroups/{id}/calendars/{id}/events/{id}
DELETE /me/calendars/{id}
DELETE /me/calendars/{id}/events/{id}
DELETE /me/events/{id}
DELETE /me/settings/workHoursAndLocations/occurrences/{id}
DELETE /me/settings/workHoursAndLocations/recurrences/{id}
DELETE /users/{id | userPrincipalName}/calendar/events/{id}
DELETE /users/{id | userPrincipalName}/calendarGroups/{id}
DELETE /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}
DELETE /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}
DELETE /users/{id | userPrincipalName}/calendars/{id}
DELETE /users/{id | userPrincipalName}/calendars/{id}/events/{id}
DELETE /users/{id | userPrincipalName}/events/{id}
DELETE /users/{id | userPrincipalName}/settings/workHoursAndLocations/occurrences/{id}
DELETE /users/{id | userPrincipalName}/settings/workHoursAndLocations/recurrences/{id}
DELETE /users/{id}/calendar/calendarPermissions/{id}
DELETE /users/{id}/events/{id}/calendar/calendarPermissions/{id}
Exact Microsoft Learn PowerShell match

Microsoft Graph PowerShell v1.0 commands are mapped directly from refreshed Microsoft Learn PowerShell snippets.

Commands
Get-MgBookingBusinessStaffAvailability /solutions/bookingBusinesses/{id}/getStaffAvailability
bookingsBusiness: getStaffAvailability
Get-MgPlaceCheck /places/{placesId}/checkIns/{calendarEventId}
Get checkInClaim
Get-MgUserCalendar /me/calendars
List calendars
Get-MgUserCalendarGroup /me/calendarGroups
List calendarGroups
Get-MgUserCalendarGroupCalendar /me/calendars
List calendars
Get-MgUserCalendarView /me/calendar/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
List calendarView
Get-MgUserEvent /me/events
List events
Get-MgUserSettingWorkHourAndLocation /me/settings/workHoursAndLocations
Get workHoursAndLocationsSetting
Get-MgUserSettingWorkHourAndLocationRecurrence /me/settings/workHoursAndLocations/recurrences
List recurrences
Invoke-MgAcceptUserEvent /me/events/{id}/accept
event: accept
Invoke-MgAcceptUserEventTentatively /me/events/{id}/tentativelyAccept
event: tentativelyAccept
Invoke-MgDeclineUserEvent /me/events/{id}/decline
event: decline
Invoke-MgDismissUserEventReminder /me/events/{id}/dismissReminder
event: dismissReminder
Invoke-MgSnoozeUserEventReminder /me/events/{id}/snoozeReminder
event: snoozeReminder
Invoke-MgViewUserSettingWorkHourAndLocationOccurrence /me/settings/workHoursAndLocations/occurrencesView(startDateTime='{startDateTime}',endDateTime='{endDateTime}')
workHoursAndLocationsSetting: occurrencesView
New-MgPlaceCheck /places/{placesId}/checkIns
Create checkInClaim
New-MgUserCalendar /me/calendars
Create calendar
New-MgUserCalendarGroup /me/calendarGroups
Create CalendarGroup
New-MgUserCalendarGroupCalendar /me/calendars
Create Calendar
New-MgUserEvent /me/events
Create event
New-MgUserEventAttachment /me/events/{id}/attachments
Add attachment
New-MgUserMessageAttachmentUploadSession /me/events/{id}/attachments/createUploadSession
attachment: createUploadSession
New-MgUserSettingWorkHourAndLocationOccurrence /me/settings/workHoursAndLocations/occurrences
Create workPlanOccurrence
New-MgUserSettingWorkHourAndLocationRecurrence /me/settings/workHoursAndLocations/recurrences
Create workPlanRecurrence
Remove-MgUserCalendarGroup /me/calendarGroups/{id}
Delete calendarGroup
Remove-MgUserCalendarPermanent /users/{id | userPrincipalName}/calendar/{calendarId}/permanentDelete
calendar: permanentDelete
Remove-MgUserCalendarPermission /users/{id}/calendar/calendarPermissions/{id}
Delete calendarPermission
Remove-MgUserEvent /me/events/{id}
Delete event
Remove-MgUserEventPermanent /users/{usersId}/events/{eventId}/permanentDelete
event: permanentDelete
Remove-MgUserSettingWorkHourAndLocationOccurrence /me/settings/workHoursAndLocations/occurrences/{id}
Delete workPlanOccurrence
Remove-MgUserSettingWorkHourAndLocationRecurrence /me/settings/workHoursAndLocations/recurrences/{id}
Delete workPlanRecurrence
Set-MgUserSettingWorkHourAndLocationOccurrence /me/settings/workHoursAndLocations/occurrences/{id}
Update workPlanOccurrence
Set-MgUserSettingWorkHourAndLocationOccurrenceCurrentLocation /me/settings/workHoursAndLocations/occurrences/setCurrentLocation
workPlanOccurrence: setCurrentLocation
Set-MgUserSettingWorkHourAndLocationRecurrence /me/settings/workHoursAndLocations/recurrences/{id}
Update workPlanRecurrence
Update-MgUserCalendarGroup /me/calendarGroups/{id}
Update calendargroup
Update-MgUserEvent /me/events/{id}
Update event
Update-MgUserSettingWorkHourAndLocation /me/settings/workHoursAndLocations
Update workHoursAndLocationsSetting
Exact Microsoft Learn PowerShell match

Microsoft Graph PowerShell beta commands are mapped directly from refreshed Microsoft Learn PowerShell snippets.

Commands
Get-MgBetaBookingBusinessStaffAvailability /solutions/bookingbusinesses/{id}/getStaffAvailability
bookingsBusiness: getStaffAvailability
Get-MgBetaPlaceCheck /places/{placesId}/checkIns/{calendarEventId}
Get checkInClaim
Get-MgBetaUserCalendar /me/calendars
List calendars
Get-MgBetaUserCalendarDelta /me/calendars/delta
calendar: delta
Get-MgBetaUserCalendarGroup /me/calendarGroups
List calendarGroups
Get-MgBetaUserCalendarGroupCalendar /me/calendars
List calendars
Get-MgBetaUserCalendarView /me/calendar/calendarView?startDateTime={startdatetime}&endDateTime={enddatetime}
List calendarView
Get-MgBetaUserEvent /me/events
List events
Get-MgBetaUserSettingWorkHourAndLocation /me/settings/workHoursAndLocations
Get workHoursAndLocationsSetting
Get-MgBetaUserSettingWorkHourAndLocationRecurrence /me/settings/workHoursAndLocations/recurrences
List recurrences
Invoke-MgBetaAcceptUserEvent /me/events/{id}/accept
event: accept
Invoke-MgBetaAcceptUserEventTentatively /me/events/{id}/tentativelyAccept
event: tentativelyAccept
Invoke-MgBetaDeclineUserEvent /me/events/{id}/decline
event: decline
Invoke-MgBetaDismissUserEventReminder /me/events/{id}/dismissReminder
event: dismissReminder
Invoke-MgBetaSnoozeUserEventReminder /me/events/{id}/snoozeReminder
event: snoozeReminder
Invoke-MgBetaViewUserSettingWorkHourAndLocationOccurrence /me/settings/workHoursAndLocations/occurrencesView(startDateTime='{startDateTime}',endDateTime='{endDateTime}')
workHoursAndLocationsSetting: occurrencesView
New-MgBetaPlaceCheck /places/{placesId}/checkIns
Create checkInClaim
New-MgBetaUserCalendar /me/calendars
Create calendar
New-MgBetaUserCalendarGroup /me/calendarGroups
Create CalendarGroup
New-MgBetaUserCalendarGroupCalendar /me/calendars
Create Calendar
New-MgBetaUserEvent /me/events
Create event
New-MgBetaUserEventAttachment /me/events/{id}/attachments
Add attachment
New-MgBetaUserMessageAttachmentUploadSession /me/events/{id}/attachments/createUploadSession
attachment: createUploadSession
New-MgBetaUserSettingWorkHourAndLocationOccurrence /me/settings/workHoursAndLocations/occurrences
Create workPlanOccurrence
New-MgBetaUserSettingWorkHourAndLocationRecurrence /me/settings/workHoursAndLocations/recurrences
Create workPlanRecurrence
Remove-MgBetaUserCalendarGroup /me/calendarGroups/{id}
Delete calendarGroup
Remove-MgBetaUserCalendarPermanent /users/{usersId}/calendar/permanentDelete
calendar: permanentDelete
Remove-MgBetaUserCalendarPermission /users/{id}/calendar/calendarPermissions/{id}
Delete calendarPermission
Remove-MgBetaUserEvent /me/events/{id}
Delete event
Remove-MgBetaUserEventPermanent /users/{usersId}/events/{eventId}/permanentDelete
event: permanentDelete
Remove-MgBetaUserSettingWorkHourAndLocationOccurrence /me/settings/workHoursAndLocations/occurrences/{id}
Delete workPlanOccurrence
Remove-MgBetaUserSettingWorkHourAndLocationRecurrence /me/settings/workHoursAndLocations/recurrences/{id}
Delete workPlanRecurrence
Set-MgBetaUserSettingWorkHourAndLocationOccurrence /me/settings/workHoursAndLocations/occurrences/{id}
Update workPlanOccurrence
Set-MgBetaUserSettingWorkHourAndLocationOccurrenceCurrentLocation /me/settings/workHoursAndLocations/occurrences/setCurrentLocation
workPlanOccurrence: setCurrentLocation
Set-MgBetaUserSettingWorkHourAndLocationRecurrence /me/settings/workHoursAndLocations/recurrences/{id}
Update workPlanRecurrence
Update-MgBetaUserCalendarGroup /me/calendarGroups/{id}
Update calendargroup
Update-MgBetaUserEvent /me/events/{id}
Update event
Update-MgBetaUserSettingWorkHourAndLocation /me/settings/workHoursAndLocations
Update workHoursAndLocationsSetting

Code Examples

C# / .NET SDK
Add attachment
View official example on Microsoft Learn
// Code snippets are only available for the latest version. Current version is 5.x

// Dependencies
using Microsoft.Graph.Models;

var requestBody = new FileAttachment
{
	OdataType = "#microsoft.graph.fileAttachment",
	Name = "menu.txt",
	ContentBytes = Convert.FromBase64String("base64bWFjIGFuZCBjaGVlc2UgdG9kYXk="),
};

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
var result = await graphClient.Me.Events["{event-id}"].Attachments.PostAsync(requestBody);
JavaScript
Add attachment
View official example on Microsoft Learn
const options = {
	authProvider,
};

const client = Client.init(options);

const attachment = {
    '@odata.type': '#microsoft.graph.fileAttachment',
    name: 'menu.txt',
    contentBytes: 'base64bWFjIGFuZCBjaGVlc2UgdG9kYXk='   
};

await client.api('/me/events/AAMkAGI1AAAt9AHjAAA=/attachments')
	.post(attachment);
PowerShell
Add attachment
View official example on Microsoft Learn
Import-Module Microsoft.Graph.Calendar

$params = @{
	"@odata.type" = "#microsoft.graph.fileAttachment"
	name = "menu.txt"
	contentBytes = "base64bWFjIGFuZCBjaGVlc2UgdG9kYXk="
}
# A UPN can also be used as -UserId.
New-MgUserEventAttachment -UserId $userId -EventId $eventId -BodyParameter $params
Python
Add attachment
View official example on Microsoft Learn
# Code snippets are only available for the latest version. Current version is 1.x
from msgraph import GraphServiceClient
from msgraph.generated.models.file_attachment import FileAttachment
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python
request_body = FileAttachment(
	odata_type = "#microsoft.graph.fileAttachment",
	name = "menu.txt",
	content_bytes = base64.urlsafe_b64decode("base64bWFjIGFuZCBjaGVlc2UgdG9kYXk="),
)

result = await graph_client.me.events.by_event_id('event-id').attachments.post(request_body)

App Registration

1

Navigate to Azure Portal

Go to App registrations in Microsoft Entra admin center

2

Add API Permission

Select your app → API permissions → Add a permission → Microsoft Graph

3

Select Permission Type

Choose Application permissions or delegated permissions and search for Calendars.ReadWrite

4

Grant Admin Consent

Application permissions always require admin consent.