Limited support
 This feature is only present in Portal: Revolution. POINT env_surface_teleport 
Teleports the player to the Remote Destination when they stand on a specified material.
KeyValues
Remote Destination <target_destination> 
The entity specifying the point to which the player should be teleported.
Game Material to Watch <choices> = None (player's in the air) (0) 
The material to watch. When the player stands on this material, they will get teleported
Possible Values:
| Name | Value | 
| None (player's in the air) | 0 | 
| A - Antlion | 65 | 
| B - Bloody Flesh | 66 | 
| C - Concrete | 67 | 
| D - Dirt | 68 | 
| E - Eggshell | 69 | 
| F - Flesh | 70 | 
| G - Grate | 71 | 
| H - Alien Flesh | 72 | 
| I - Clip | 73 | 
| J - Grass | 74 | 
| K - Snow | 75 | 
| L - Plastic | 76 | 
| M - Metal | 77 | 
| N - Sand | 78 | 
| O - Foliage | 79 | 
| P - Computer | 80 | 
| Q - Asphalt | 81 | 
| R - Brick | 82 | 
| S - Slosh | 83 | 
| T - Tile | 84 | 
| U - Cardboard | 85 | 
| V - Vent | 86 | 
| W - Wood | 87 | 
| X - Fake surfaces | 88 | 
| Y - Glass | 89 | 
| Z - Warp Shield | 90 | 
| 1 - Clay | 1 | 
| 2 - Plaster | 2 | 
| 3 - Rock | 3 | 
| 4 - Rubber | 4 | 
| 5 - Sheet Rock | 5 | 
| 6 - Cloth | 6 | 
| 7 - Carpet | 7 | 
| 8 - Paper | 8 | 
| 9 - Upholstery | 9 | 
| 11 - Mud | 11 | 
| 12 - Sand Barrel | 12 | 
| 13 - Dense Wood | 13 | 
Inherited from StaticTargetName
Name <target_source> 
The name that other entities refer to this entity by. This entity only exists during compilation, so the name is only usable in limited situations.
Inputs
Enable <void> 
Start watching the player's surface.
Disable <void> 
Stop watching the player's surface.
Outputs
OnSurfaceChangedToTarget <void> 
Fired when the player moves onto the specified game material.
OnSurfaceChangedFromTarget <void> 
Fired when the player moves off the specified game material.