### URL Expired

The URL for this request expired after 30 days.

#### Optional Metadata When Starting an Operation.

- **OperationID**  
  *string*  
  Unique operation identifier.

- **InitiatorID**  
  *string*  
  Initiator identifier.

- **Group**  
  *string*  
  required  
  `^\w+( \w+)*$`  
  Existing group name (alphanumeric and spaces).

- **AddUsers**  
  *array of strings*  
  AddUsers  
  ADD string

- **RemoveUsers**  
  *array of strings*  
  RemoveUsers  
  ADD string

### Response Codes

- `` 200      Operation started

- `` 400      Invalid input, validation error, or malformed request

- `` 500      Internal server error. May include an `errorCode` (M-prefixed) and `data` from the MPA error code system. See `cwpapi/errors.go` for codes.

---

### Curl Example

```bash
curl --request POST \
     --url https://api.your-wallet.blockdaemon-wallet.com/api/cwp/operations/start/updateGroup \
     --header 'accept: application/json' \
     --header 'content-type: application/json'
```

### Base URL

https://api.your-wallet.blockdaemon-wallet.com/api/cwp/operations/start/updateGroup

```json
"xxxxxxxxxx"
```

### Click `Try It!` to Start a Request and See the Response Here! Or Choose an Example:

- application/json