OptionSetType 
The representation of the OptionSetType VariableType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | i=11487 |
| NamespaceUri | http://opcfoundation.org/UA/ |
| BrowseName | OptionSetType |
| NodeClass | VariableType |
| DataType | BaseDataType |
| ValueRank | -1 |
| IsAbstract | False |
| SubtypeOf | BaseDataVariableType |
| Categories | Base Info OptionSet |
The references from the OptionSetType VariableType Node are shown in the following table:
| Reference | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| HasProperty | Variable | OptionSetValues | LocalizedText[] | PropertyType | Mandatory |
| HasProperty | Variable | BitMask | Boolean[] | PropertyType | Optional |