# Update Event Instance — Google Calendar

> Update a specific instance of a recurring event. Changes apply only to the selected instance. See the documentation

- Key: `google_calendar-update-event-instance`
- Type: Action (Write)
- Version: 0.0.7
- App: Google Calendar (`google_calendar`) — https://pipedream.com/apps/google-calendar.md
- This page (HTML): https://pipedream.com/apps/google-calendar/actions/update-event-instance
- Hints: destructive · open-world
- Source: https://github.com/PipedreamHQ/pipedream/blob/master/components/google_calendar/actions/update-event-instance/update-event-instance.mjs

## Description

Update a specific instance of a recurring event. Changes apply only to the selected instance. [See the documentation](https://developers.google.com/calendar/api/v3/reference/events/update)

## Props

| Prop | Type | Required | Description |
|---|---|---|---|
| `calendarId` | `string` | No | Optionally select the calendar, defaults to the primary calendar for the logged-in user Options are loaded from the connected account. |
| `recurringEventId` | `string` | Yes | The ID of the recurring event Options are loaded from the connected account. |
| `instanceId` | `string` | Yes | The ID of the specific instance to update. Use List Event Instances action to get instance IDs. Options are loaded from the connected account. |
| `summary` | `string` | No | Enter a new title for this instance |
| `eventStartDate` | `string` | No | For all-day events, enter the Event day in the format yyyy-mm-dd. For events with time, format according to RFC3339: yyyy-mm-ddThh:mm:ss+01:00. A time zone offset is required unless a time zone is explicitly specified in timeZone. |
| `eventEndDate` | `string` | No | For all-day events, enter the Event day in the format yyyy-mm-dd. For events with time, format according to RFC3339: yyyy-mm-ddThh:mm:ss+01:00. A time zone offset is required unless a time zone is explicitly specified in timeZone. |
| `location` | `string` | No | Specify a new location for this instance |
| `description` | `string` | No | Enter a new description for this instance |
| `attendees` | `string` | No | Enter either an array or a comma separated list of email addresses of attendees |
| `colorId` | `string` | No | The color assigned to this event on your calendar. You can only select a color from the list of event colors provided from your calendar. This setting will only affect your calendar. Options are loaded from the connected account. |
| `timeZone` | `string` | No | Time zone used in the response. Optional. The default is the time zone of the calendar. Options are loaded from the connected account. |
| `sendUpdates` | `string` | No | Configure whether to send notifications about the event |

## Run it

**MCP**

```ts
import { Client } from "@modelcontextprotocol/sdk/client/index.js"
import { StreamableHTTPClientTransport } from "@modelcontextprotocol/sdk/client/streamableHttp.js"
import { PipedreamClient } from "@pipedream/sdk"

const pd = new PipedreamClient({
  projectId: process.env.PIPEDREAM_PROJECT_ID!,
  clientId: process.env.PIPEDREAM_CLIENT_ID!,
  clientSecret: process.env.PIPEDREAM_CLIENT_SECRET!,
  projectEnvironment: "production",
})

const accessToken = await pd.rawAccessToken

const transport = new StreamableHTTPClientTransport(
  new URL("https://remote.mcp.pipedream.net/v3"),
  {
    requestInit: {
      headers: {
        Authorization: `Bearer ${accessToken}`,
        "x-pd-project-id": process.env.PIPEDREAM_PROJECT_ID!,
        "x-pd-environment": "production",
        "x-pd-external-user-id": "{external_user_id}", // any stable ID for this user in your system
        "x-pd-app-slug": "google_calendar",
      },
    },
  },
)

const mcp = new Client({ name: "my-agent", version: "1.0.0" })
await mcp.connect(transport)

const { tools } = await mcp.listTools()

// listTools() hands your model this tool's input schema, so it can
// fill the arguments itself:
const result = await mcp.callTool({
  name: "google_calendar-update-event-instance",
  arguments: {
    calendarId: "Calendar",
    recurringEventId: "Recurring Event ID",
  },
})
```

**TypeScript**

```ts
import { PipedreamClient } from "@pipedream/sdk"

const pd = new PipedreamClient({
  projectId: process.env.PIPEDREAM_PROJECT_ID!,
  clientId: process.env.PIPEDREAM_CLIENT_ID!,
  clientSecret: process.env.PIPEDREAM_CLIENT_SECRET!,
  projectEnvironment: "production",
})

const result = await pd.actions.run({
  id: "google_calendar-update-event-instance",
  externalUserId: "{external_user_id}", // any stable ID for this user in your system
  configuredProps: {
    google_calendar: { authProvisionId: "apn_xxxxxxx" },
    calendarId: "Calendar",
    recurringEventId: "Recurring Event ID",
  },
})

console.log(result)
```

**cURL**

```bash
curl -X POST https://api.pipedream.com/v1/connect/{project_id}/actions/run \
  -H "Content-Type: application/json" \
  -H "X-PD-Environment: production" \
  -H "Authorization: Bearer {access_token}" \
  -d '{
    "external_user_id": "{external_user_id}",
    "id": "google_calendar-update-event-instance",
    "configured_props": {
      "google_calendar": { "authProvisionId": "apn_xxxxxxx" },
      "calendarId": "Calendar",
      "recurringEventId": "Recurring Event ID"
    }
  }'
```

---

- App: https://pipedream.com/apps/google-calendar.md · All apps: https://pipedream.com/apps