# Webhook Model | Name | Data Type | Description | | --- | --- | --- | | `resource_url` | string | Use this URL to get the resource that triggered the webhook. 200-character limit. Access the URL with ShipStation API Basic Authentication credentials. | | `resource_type` | string | The event type that triggered the webhook. Will be one of the following values: ORDER_NOTIFY, ITEM_ORDER_NOTIFY, SHIP_NOTIFY, ITEM_SHIP_NOTIFY, FULFILLMENT_SHIPPED, or FULFILLMENT_REJECTED. |