| Name | Type | Description | Notes |
|---|---|---|---|
| signing_key | String | Optional signing key for securing webhook notifications. - None: don't change the existing signing key - Some(""): remove the signing key - Some("key"): set the signing key to the provided value | [optional] [default to null] |
| type | NotificationType | [optional] [default to null] | |
| url | String | [optional] [default to null] |