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[`Workspace`](Workspace) › [`duplicateLeaf`](Workspace/duplicateLeaf_1)
## Workspace.duplicateLeaf() method
1.1.0
**Signature:**
```typescript
duplicateLeaf(leaf: WorkspaceLeaf, leafType: PaneType | boolean, direction?: SplitDirection): Promise<WorkspaceLeaf>;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| <code>leaf</code> | [`WorkspaceLeaf`](WorkspaceLeaf) | |
| <code>leafType</code> | [`PaneType`](PaneType)<code> | boolean</code> | |
| <code>direction</code> | [`SplitDirection`](SplitDirection) | _(Optional)_ |
**Returns:**
`Promise<`[`WorkspaceLeaf`](WorkspaceLeaf)`>`