Delete an existing Timeline event type.
|Required Parameters||How to use||Description|
|hapikey=||Used in the request URL||Your Developer HAPIkey. This must be a Developer HAPIkey associated with the Developer portal that the OAuth app was created in.|
|userId=||Used in the request URL||Your HubSpot user ID. You can get your userId when viewing your Developer HAPIkey in your developer portal.|
|application-id||Used in the request URL||The ID of the application that the event type belongs to|
|event-type-id||Used in the request URL||The ID of the event type you want to delete.|