Sign Text (Expression) — Skript
Addon: Skript · Category: Expression · Since: 1.3
Syntax
line %integer% [of %block%]Description
A line of text on a sign. Can be changed, but note that there is a 16 character limit per line.
Examples
on right click:
clicked block is tagged as "minecraft:all_signs"
if line 2 of the clicked block is "[Heal]":
heal the player