<!-- Do not edit this file. It is automatically generated by API Documenter. --> [`Workspace`](Workspace) › [`duplicateLeaf`](Workspace/duplicateLeaf) ## Workspace.duplicateLeaf() method > Warning: This API is now obsolete. > > - Use the new form of this method instead 0.13.8 > **Signature:** ```typescript duplicateLeaf(leaf: WorkspaceLeaf, direction?: SplitDirection): Promise<WorkspaceLeaf>; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | <code>leaf</code> | [`WorkspaceLeaf`](WorkspaceLeaf) | | | <code>direction</code> | [`SplitDirection`](SplitDirection) | _(Optional)_ | **Returns:** `Promise<`[`WorkspaceLeaf`](WorkspaceLeaf)`>`