# mcp.model.CapturePaneArgs.start

- **Module:** mcp.model.CapturePaneArgs
- **Package:** tmux-mcp
- **Language:** Rust
- **Kind:** attribute
- **Source:** https://github.com/libtmux/libtmux-rs/blob/f0e37052c232636b61d095817046e6bfc8f2ca40/crates/tmux-mcp/src/model.rs#L281
- **Page:** https://libtmux.org/en/rs/latest/mcp/reference/mcp-model-capturepaneargs-start/

Start at this line. Zero is the top of the screen, negative is scrollback. Omit for the top of the screen, or of the scrollback with `history`.