---
title: "PUT /api/v1/Calendar/Events/{outlookEventId} Updates an existing Outlook event and refreshes the local cache."
method: PUT
path: "/api/v1/Calendar/Events/{outlookEventId}"
tags: ["Calendar"]
---

# PUT /api/v1/Calendar/Events/{outlookEventId} Updates an existing Outlook event and refreshes the local cache.

`PUT /api/v1/Calendar/Events/{outlookEventId}`

## Request

- Base URL: `https://api.fireserviceusa.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.fireserviceusa.com/api/v1/Calendar/Events/{outlookEventId}`
- Auth: none declared

## Path parameters

- `outlookEventId` string, required

## Request body

- UpdateCalendarEventVm
  - `ApplicationUserId` integer: When set, moves the appointment to this employee's calendar (recreates in Outlook).
  - `AssignedToUserIds` integer[], nullable
  - `AttendeeEmails` string[], nullable
  - `Subject` string, nullable
  - `StartDateTimeUtc` string, date-time
  - `EndDateTimeUtc` string, date-time
  - `IsAllDay` boolean
  - `Location` string, nullable
  - `Body` string, nullable
  - `Recurrence` CalendarRecurrenceVm
    - `PatternType` string, nullable: none, daily, weekly, monthly, yearly
    - `Interval` integer
    - `DaysOfWeek` string[], nullable: For weekly: monday, tuesday, etc.
    - `EndType` string, nullable: never, endDate, numbered
    - `EndDate` string, date-time, nullable
    - `NumberOfOccurrences` integer
  - `EditScope` string, nullable: occurrence or series — default occurrence.
  - `MetadataScope` string, nullable: occurrence or series — default series when recurring.
  - `CalendarEventTypeId` integer, nullable
  - `ProjectId` integer, nullable
  - `ProjectJobId` integer, nullable
  - `ContactId` integer, nullable
  - `AccountId` integer, nullable
  - `ReferringEntityId` integer, nullable
  - `ActivityTypeId` integer, nullable
  - `TeamId` integer, nullable
  - `TeamIds` integer[], nullable
  - `Notes` string, nullable
  - `ExpectedContentFingerprint` string, nullable: When set, returns 409 if user-visible content changed since the editor opened.
  - `Sensitivity` string, nullable: normal | personal | private | confidential — null leaves sensitivity unchanged.
  - `ShowAs` string, nullable: busy | tentative | free | oof | workingelsewhere — updates the logged-in user's calendar copy.

## Response `200`

Success

---

[API](https://skmtc.dev/fireserviceusa/apis/fireservice-usa-p2-api.md) - [All operations](https://skmtc.dev/fireserviceusa/apis/fireservice-usa-p2-api/llms.txt) - [OpenAPI document](https://skmtc.dev/fireserviceusa/apis/fireservice-usa-p2-api/revisions/96ea2ea68d87?raw)