# Event Update

Google Calendar

Edit selected timing, content, reminder or attendee fields on a Google Calendar event.

## Use this tool with your AI agent

1. Copy the prompt
2. Paste it into your agent
3. Tell it what you need

Read https://scrollport.com/start. Use my existing Scrollport connection, or help me connect if needed. Help me use Event Update (tool ID: google-calendar.event-update). Ask me for the details you need, then show me the result. Help me connect the required app account if needed.

**Already connected:** Your agent can use that connection.

**New user:** Your agent will guide you through setup, sign-in and authorisation.

This tool also needs you to connect your app account.

Connect your first agent to receive $1 trial credit.

**Job:** [Manage Google Calendar events](https://scrollport.com/tools/google-calendar-mcp)

**Current price:** $0.0025/request

**Availability:** Requires connected account

## Tool details

**About this tool**

Patches selected timing, content, recurrence, reminder, attendee or Google Meet creation fields on one event without deleting it. Attendee notifications are disabled unless sendUpdates is explicitly set. Always one $0.0025 request.

**Inputs and outputs**

### Input

`body` object · required

Bounded request body sent to the connected application.

`path` object · required

Identifier path for the authorised connected-app record.

`query` object · optional

Search terms used to find relevant records.

### Output

`conferenceData` object

Returned conference data value.

`created` string

Returned created value.

`creator` object

Returned creator value.

`description` string

Returned description value.

`end` object

Returned end value.

`htmlLink` string

Returned html link value.

`iCalUID` string

Returned i cal uid value.

`id` string

Returned id value.

`kind` string

Returned kind value.

`location` string

Returned location value.

`organizer` object

Returned organizer value.

`sequence` number

Returned sequence value.

`start` object

Returned start value.

`status` string

Returned status value.

`summary` string

Returned summary value.

`updated` string

Returned updated value.

**Example request and output**

Inspect returns this reviewed example, its estimated cost and the current input schema. Run calculates the estimate for your actual input.

### Request

```
{
  "tool_id": "google-calendar.event-update",
  "input": {
    "body": {
      "summary": "Project review updated",
      "description": "Quarterly launch notes updated."
    },
    "path": {
      "eventId": "YOUR-GOOGLE-CALENDAR-EVENT-ID",
      "calendarId": "YOUR-GOOGLE-CALENDAR-ID"
    },
    "query": {
      "sendUpdates": "none"
    }
  }
}
```

### Output

```
{
  "id": "scrollport-verification-event",
  "end": {
    "dateTime": "2026-08-17T10:30:00+01:00",
    "timeZone": "Europe/London"
  },
  "kind": "calendar#event",
  "start": {
    "dateTime": "2026-08-17T10:00:00+01:00",
    "timeZone": "Europe/London"
  },
  "status": "confirmed",
  "created": "2026-08-15T12:00:00.000Z",
  "creator": {
    "self": true,
    "email": "user@example.com"
  },
  "iCalUID": "scrollport-verification-event@google.com",
  "summary": "Review launch plan — updated",
  "updated": "2026-08-15T12:05:00.000Z",
  "htmlLink": "https://calendar.google.com/calendar/event?eid=scrollport-verification-event",
  "location": "Video call",
  "sequence": 1,
  "organizer": {
    "self": true,
    "email": "user@example.com"
  },
  "description": "Updated by Scrollport during Google OAuth verification. Safe to edit.",
  "conferenceData": {
    "entryPoints": [
      {
        "uri": "https://meet.google.com/abc-defg-hij",
        "label": "meet.google.com/abc-defg-hij",
        "entryPointType": "video"
      }
    ],
    "conferenceId": "abc-defg-hij",
    "conferenceSolution": {
      "key": {
        "type": "hangoutsMeet"
      },
      "name": "Google Meet"
    }
  }
}
```

**Errors and limitations**

- `connection_required`: This capability acts on your own Google Calendar, which isn't connected yet.Open connect_url, approve Google Calendar event and calendar-list access, then retry this run unchanged.

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Canonical page: https://scrollport.com/tools/providers/google-calendar/event-update