# q (Order mass cancel request)

The **`q` (Order Mass Cancel Request)** message is used to request the cancellation of multiple orders simultaneously.
The Revolut Crypto Exchange only supports cancellation of all orders at once.

| Tag       | Name                    | Type           | Required                                                                                                        | Description                                                                                                                                                                  |
| --------- | ----------------------- | -------------- | --------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **11**    | `ClOrdID`               | `UUID`         | **yes**                                                                                                         | Unique identifier of the mass cancel request, as assigned by the client.                                                                                                     |
| **530**   | `MassCancelRequestType` | `Char`         | **yes**                                                                                                         | Type of the requested cancellation. <br/><br/>Only cancellation of all orders is supported. <br/><br/>Supported values: <ul><li>`7` - Cancel all orders</li></ul>            |
| **60**    | `TransactTime`          | `UTCTimestamp` | **yes, by [FIX 4.4](https://www.onixs.biz/fix-dictionary/4.4/index.html)**                                      | Time of cancellation request.                                                                                                                                                |

For more details, see [`FIX 4.4 : Order Mass Cancel Request <q> message` in the FIX 4.4 documentation](https://www.onixs.biz/fix-dictionary/4.4/msgType_q_113.html).