INPUT_OBJECT
Payload for an AttendedClient
input AttendedClientsInput {# If the client attended the eventattended: Boolean# If the client cancelled the eventcancelled: Boolean# Reason for cancellationcancellation_reason: String# Other reason for cancellationother_cancellation_reason: String# If the client confirmed the eventconfirmed: Boolean# The unique identifier of the objectid: ID# The ID of the useruser_id: ID}