ReferenceTypes 
The representation of the ReferenceTypes Object in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | i=91 |
| NamespaceUri | http://opcfoundation.org/UA/ |
| BrowseName | ReferenceTypes |
| NodeClass | Object |
| Categories | Base Info Core Types Folders |
The references from the ReferenceTypes Object Node are shown in the following table:
| Reference | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| Organizes | ReferenceType | References | |||
| HasTypeDefinition | ObjectType | FolderType |