# Cancel Event — Calendly

> Cancel a scheduled Calendly event. Posts to POST /scheduled_events/{uuid}/cancellation. Run List Events first to obtain the event UUID. Example: with eventUuid set to a1b2c3d4-e5f6-7890-abcd-ef1234567890 and reason set to Schedule conflict…

- Key: `calendly_v2-cancel-event`
- Type: Action (Write)
- Version: 0.0.2
- App: Calendly (`calendly_v2`) — https://pipedream.com/apps/calendly-v2.md
- This page (HTML): https://pipedream.com/apps/calendly-v2/actions/cancel-event
- Hints: destructive · open-world
- Source: https://github.com/PipedreamHQ/pipedream/blob/master/components/calendly_v2/actions/cancel-event/cancel-event.mjs

## Description

Cancel a scheduled Calendly event. Posts to `POST /scheduled_events/{uuid}/cancellation`. Run **List Events** first to obtain the event UUID. Example: with `eventUuid` set to `a1b2c3d4-e5f6-7890-abcd-ef1234567890` and `reason` set to `Schedule conflict - rescheduling needed`, the event is canceled and all invitees are notified. [See the documentation](https://developer.calendly.com/api-docs/afb2e9fe3a0a0-cancel-event).

## Props

| Prop | Type | Required | Description |
|---|---|---|---|
| `eventUuid` | `string` | Yes | The UUID of the scheduled event to cancel (the {uuid} path segment, e.g. a1b2c3d4-e5f6-7890-abcd-ef1234567890). Run List Events first to obtain event UUIDs. Do not pass the full URI; only the UUID. |
| `reason` | `string` | No | Optional reason for the cancellation (max 10000 characters), e.g. Schedule conflict - rescheduling needed. Sent as the reason field in the request body. |

## 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": "calendly_v2",
      },
    },
  },
)

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: "calendly_v2-cancel-event",
  arguments: {
    eventUuid: "Event UUID",
    reason: "Reason",
  },
})
```

**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: "calendly_v2-cancel-event",
  externalUserId: "{external_user_id}", // any stable ID for this user in your system
  configuredProps: {
    calendly_v2: { authProvisionId: "apn_xxxxxxx" },
    eventUuid: "Event UUID",
    reason: "Reason",
  },
})

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": "calendly_v2-cancel-event",
    "configured_props": {
      "calendly_v2": { "authProvisionId": "apn_xxxxxxx" },
      "eventUuid": "Event UUID",
      "reason": "Reason"
    }
  }'
```

---

- App: https://pipedream.com/apps/calendly-v2.md · All apps: https://pipedream.com/apps