info_changelevel

Class hierarchy
InfoChangelevel ↳CBaseTrigger ↳CBaseToggle ↳CBaseEntity

info_changelevel is a brush entity available in Left 4 Dead series.

It is the entity that marks a level change. It safely changes the level in Left 4 Dead series, and defines the end-of-level safe room. Place an info_landmark in both maps that marks the same location in each map. In Hammer, info_changelevel will be listed in entity class selection menu when tied to a brush as an entity.

Risk of Confusion:This is trigger brush entity despite name of the this entity starting with info_ which is typical for point entities

KeyValues

Name (targetname) <string>: The name that other entities refer to this entity by, via Inputs/Outputs or other keyvalues (e.g. parentname or target).
Also displayed in Hammer's 2D views and Entity Report. See also: Generic Keyvalues, Inputs and Outputs available to all entities

New Map Name (map) <string>: The filename of the next map (without ".bsp").; Warning:Setting this to current map’s name or leaving it empty will cause info_changelevel not to spawn.
Landmark Name (landmark) <targetname>: Changes of positions will take place on transition relative to this landmark.; Warning:Leaving this empty will cause info_changelevel not to spawn.; Tip:If for whatever reason rotating the map by 180 degrees is needed info_landmark can be named "coldstream3_coldstream4" and then entities that transition will be rotated 180 degrees around the landmark.