| 이름 | 설명 |
|---|---|
| ChildrenOperation | "children" operation working on generic objects. It iterates over all context elements and returns the values of the properties given in the filter expression that has to be specified as argument or in a following filter operation. |
| FilterOperation | Filter operation, limiting the set of objects. The filter expression is expected as string argument and used to reduce the context to matching elements by checking each value against the filter. |
| PropertyOperation | Access properties of an object using ObjectAccess. |