Attributes

Attribute Name	Type	Description	Attributes
`self`	`reference`	URL of the Webhook	Read-only Non-null
`target_url`	`string`	The url that will be notified when the event occurs. This must be an HTTPS url with a path.	Read-Write Non-null
`application_identifier`	`string`	Identifier of the oAuth application	Read-only Non-null
`event`	`string`	The type of event that will trigger a notification. Takes the form of "object.operation". Valid objects are contact, company, task, appointment, project, opportunity. Valid operations are insert, update, trash and delete.	Read-Write Non-null