ID of the lead capture form associated with this event.
Lead retrieval provider (e.g. 'cvent', 'a2z').
Event classification (e.g. 'congress', 'tradeshow').
ISO 8601 start date/time.
ISO 8601 end date/time.
CRM object type for synced leads (e.g. 'Lead', 'Contact').
CRM record ID this event maps to.
Provider-assigned external event ID.
CRM campaign ID for lead association.
A lead retrieval event (congress, conference, or trade show). Mirrors the iOS
GRDBEventSwift model'stoJSON()output.