<!-- Do not edit this file. It is automatically generated by API Documenter. -->
[`Workspace`](Workspace) › [`setActiveLeaf`](Workspace/setActiveLeaf_1)
## Workspace.setActiveLeaf() method
> Warning: This API is now obsolete.
>
> - function signature changed. Use other form instead
>
**Signature:**
```typescript
setActiveLeaf(leaf: WorkspaceLeaf, pushHistory: boolean, focus: boolean): void;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| <code>leaf</code> | [`WorkspaceLeaf`](WorkspaceLeaf) | |
| <code>pushHistory</code> | <code>boolean</code> | |
| <code>focus</code> | <code>boolean</code> | |
**Returns:**
`void`