| NodeId | i=131 |
| NodeClass | ReferenceType |
| BrowseName | 0:HasOptionalInputArgumentDescription |
| DisplayName | HasOptionalInputArgumentDescription |
| BaseType | 0:HasArgumentDescription |
| IsAbstract | False |
| InverseName | OptionalInputArgumentDescriptionOf |
| Symmetric | False |
| NodeId | i=131 |
| NodeClass | ReferenceType |
| BrowseName | 0:HasOptionalInputArgumentDescription |
| DisplayName | HasOptionalInputArgumentDescription |
| BaseType | 0:HasArgumentDescription |
| IsAbstract | False |
| InverseName | OptionalInputArgumentDescriptionOf |
| Symmetric | False |