# reassign_booking

Behavior, inputs, outputs and permissions for reassign_booking.

Source: https://docs.getridian.com/developers/tools/reassign_booking/
Language: en
Reviewed: 2026-10-06

This reference is generated from the published tool contract.

## Behavior and boundaries

Hands a booking over to another member, e.g. a substitute during an absence. Ridian creates the event in the new host's calendar with a new meeting link (Meet, Teams or Zoom), then deletes the old event, emails the booker the new host and link (with a Google or Microsoft calendar the new host's calendar also sends a new invitation and cancels the old one; otherwise the email carries an updated calendar file), notifies the new host and moves the lead owner. For round robin, omit to_user_id to pick the next free host. Group bookings move together. Course bookings cannot be handed over. Confirm with the user first.

## Permissions

Granted scopes, accounts, calendars and visibility rules limit access. Workspace administrators do not automatically gain access to other users’ accounts.

`bookings:write`

[Consent and boundaries](https://docs.getridian.com/developers/authentication/)

## Input

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "booking_id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 64,
      "description": "booking_id from list_bookings."
    },
    "to_user_id": {
      "description": "New host. Omit for round robin to pick the next free host.",
      "type": "string",
      "minLength": 1,
      "maxLength": 64
    },
    "from_user_id": {
      "description": "Collective only: which host to replace. Default: the booking's host.",
      "type": "string",
      "minLength": 1,
      "maxLength": 64
    }
  },
  "required": [
    "booking_id"
  ],
  "additionalProperties": false
}
```

## Output

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "booking_id": {
      "type": "string"
    },
    "reassigned": {
      "type": "boolean"
    },
    "new_host_user_id": {
      "type": "string"
    },
    "booking_ids": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "console_url": {
      "type": "string"
    }
  },
  "required": [
    "booking_id",
    "reassigned",
    "new_host_user_id",
    "booking_ids",
    "console_url"
  ],
  "additionalProperties": false
}
```

## Errors and retries

Check the tool result for errors. Do not blindly retry writes after a timeout. Check the current resource or send status first.

[Error handling](https://docs.getridian.com/developers/errors/)