wezterm/docs/config/lua/keyassignment/ScrollByLine.md

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.

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  keys = {
    { key = 'UpArrow', mods = 'SHIFT', action = act.ScrollByLine(-1) },
    { key = 'DownArrow', mods = 'SHIFT', action = act.ScrollByLine(1) },
  },
}