# tmuxp.workspace.builder.WorkspaceBuilderProtocol.build

- **Module:** tmuxp.workspace.builder
- **Package:** tmuxp
- **Language:** Python
- **Kind:** method
- **Source:** https://github.com/tmux-python/tmuxp/blob/153acdf6ff1268b14d3d03ed488f545a7123c8f1/src/tmuxp/workspace/builder/protocol.py#L98
- **Page:** https://libtmux.org/en/py/stable/workspace/reference/tmuxp-workspace-builder-workspacebuilderprotocol-build/

```
tmuxp.workspace.builder.WorkspaceBuilderProtocol.build(
    self,
    session: Session | None = None,
    append: bool = False,
) -> None
```

Build the workspace, creating or populating a tmux session.

## Parameters

- `session` (`Session | None`)
- `append` (`bool`)