put
https://api.accelevents.com/rest/host/ticketing/event//customAttribute/
This API is used to update custom attributes associated with the specified event. API used at host side event admin and super admin can access this API. It will return response like type and message. To call this API, user will have to pass query param with API URL like eventURL, attributeId, updateForBuyer, recurringEventId, customAttribute and authentication key to authenticate user.