Returns the success or reason for failure after attempting to update a user with new details.
The field updateIndex is populated with the current update index of the user record on EService.
One or more failure fields will be populated with a failure object (will contain a non-null reference) indicating the nature of the failure, with relevant information.
|AccessDeniedFailure||The username or password was incorrect, or lacked the right to complete this function.|
|ConcurrentUpdateFailure||The update index of the request did not match the update index stored on the server.|
|UserNotFoundFailure||A user with a primary key matching the reqested primary key was not found on the server.|
|ValidationFailure||One or more fields contained invalid values.|