<!-- Do not edit this file. It is automatically generated by API Documenter. --> [`Workspace`](Workspace) › [`getLeftLeaf`](Workspace/getLeftLeaf) ## Workspace.getLeftLeaf() method Create a new leaf inside the left sidebar. **Signature:** ```typescript getLeftLeaf(split: boolean): WorkspaceLeaf | null; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | <code>split</code> | <code>boolean</code> | <p>Should the existing split be split up?</p><p> 0.9.7</p> | **Returns:** [`WorkspaceLeaf`](WorkspaceLeaf)` | null`