Add Event to api types

It would be nice if we could use an existing partial response filter format.
This article discusses 3 already in use by google, facebook, twitter and linkedin:
https://blog.apigee.com/detail/restful_api_design_can_your_api_give_developers_just_the_information

There is more documentation on the google format here:
https://developers.google.com/+/api/#partial-response

The one issue I see is that those formats don't appear to let you select a specific item from an array.