f8/sdk/dart/package-fuchsia_vfs_vfs/ComposedPseudoDir/addNode.md

# addNode method




    *[<Null safety>](https://dart.dev/null-safety)*



- @override

int addNode
(String name, [Vnode](../../package-fuchsia_vfs_vfs/Vnode-class.md) node)

_<span class="feature">override</span>_



<p>Adds a directory entry associating the given <code>name</code> with <code>node</code>.
It is ok to add the same Vnode multiple times with different names.</p>
<p>Returns <code>ZX.OK</code> on success.
Returns <code>ZX.ERR_INVALID_ARGS</code> if name is illegal object name.
Returns <code>ZX.ERR_ALREADY_EXISTS</code> if there is already a node with the
given name.</p>



## Implementation

```dart
@override
int addNode(String name, Vnode node) {
  if (_inheritedNodes.contains(name)) {
    return ZX.ERR_ALREADY_EXISTS;
  } else {
    return super.addNode(name, node);
  }
}
```