# ScrollByLine

*Since: 20210314-114017-04b7cedd*

Adjusts the scroll position by the number of lines specified by the argument.
Negative values scroll upwards, while positive values scroll downwards.

```lua
local wezterm = require 'wezterm';

return {
  keys = {
    {key="UpArrow", mods="SHIFT", action=wezterm.action{ScrollByLine=-1}},
    {key="DownArrow", mods="SHIFT", action=wezterm.action{ScrollByLine=1}},
  }
}
```