REST API Updates (June 2021) - Cvent

Added API for Standard Surveys
- Get Standard Surveys
- Get Standard Survey Questions
- Get Standard Survey Respondents
- Get Standard Survey Responses
Added API for Exhibitors
- List Exhibitors
- Create Exhibitor
- Get Exhibitor
- Update Exhibitor
- Delete Exhibitor
- List Exhibitor Admins
- Create Exhibitor Admin
- Get Exhibitor Admin
- Update Exhibitor Admin
- List Exhibitor Booth Staff
- Create Exhibitor Booth Staff
- Get Exhibitor Booth Staff Member
- Delete Exhibitor Booth Staff Member
- Get Exhibitor Lead Qualification Questions
- List Exhibitor Leads
- Get Exhibitor Lead Qualification Answers
- List Event Exhibitor Sponsorship Levels
Other endpoints added:
- Update Contact Custom Field Answers
- Get Meeting Request For Event
- List Account Custom Fields
- List Event Questions

New types of attendee activities added to List Activities:
- event.videoPlayed
- event.attendeeHubVisited
- speaker.fileDownloaded
- lead.inboundCreated
- email.clicked
- email.bounced
- email.opened
- email.sent
- email.undelivered
BETA: Added support for authorization code flow to /Contacts. Creating auth code clients is currently disabled by default and can be enabled upon request.