| Name | Type | Description | Notes |
|---|---|---|---|
| url | String | url that will be invoked by XTRF on event | [optional] |
| event | String | event to which you want to subscribe | [optional] |
| filter | String | filter expression in the form 'attribute=value' | [optional] |
| embed | String | additional fields which should be embedded in the event | [optional] |