in FBSDKCoreKit/FBSDKCoreKit/AppEvents/CAPIGateway/FBSDKAppEventConversionsAPITransformer.swift [250:262]
init?(field: String) {
switch field {
case AppEventUserAndAppDataField.extinfo.rawValue: self = .array
case AppEventUserAndAppDataField.urlSchemes.rawValue: self = .array
case CustomEventField.contentIds.rawValue: self = .array
case CustomEventField.contents.rawValue: self = .array
case DataProcessingParameterName.options.rawValue: self = .array
case AppEventUserAndAppDataField.advTE.rawValue: self = .bool
case AppEventUserAndAppDataField.appTE.rawValue: self = .bool
case CustomEventField.eventTime.rawValue: self = .int
default: return nil
}
}