## 3.3 Used data types

The following tables describe the data types that are used throughout this document. These types are separated into two tables. Base data types defined in 10000-3 are given in Table 1. The base types and data types defined in 10000-4 are given in Table 2.

Table 1 – Parameter types defined in 10000-3

Parameter Type
Argument
BaseDataType
NodeId
LocalizedText
Boolean
ByteString
Double
Duration
String
UInt16
Int32
UtcTime

Table 2 – Parameter types defined in 10000-4

Parameter Type
IntegerId
StatusCode