Ceiling_RaiseByValue
From ZDoom Wiki
41:Ceiling_RaiseByValue (tag, speed, height)
tag: Tag of affected sector speed: How quickly the ceiling moves height: Amount to raise ceiling by
Usage
Raises a tagged sector's ceiling by height units. If tag is 0, then the sector on the line's back side is used.
Examples
As the ceiling specials are fairly trivial, examples of every one can be found in the example wad, Squash. This wad runs on Map01 of Doom2.

