item_airtank
item_airtank is a point entity available in all 
GoldSrc games.
Description
When a player touches it, his oxygen is replenished to the maximum (12 seconds) and a sound cue similar to Xen's jump pad is played. There is a 30 seconds recharge time before being able to use it again.
Key Values
Target:
- Target
(target)<targetname> - The targetname of an entity this entity will trigger when activated.
TargetX:
- Delay before trigger
(delay)<integer> - Delay in seconds before firing the targeted entity.
- Killtarget
(killtarget)<targetname> - Entity to remove when activated.
Targetname:
- Name
(targetname)<string> - The targetname that other entities refer to this entity by.
- Pitch Yaw Roll (Y Z X)
(angles)<angle> - This entity's orientation in the world. Pitch is rotation around the Y axis, yaw is the rotation around the Z axis, roll is the rotation around the X axis.
Flags
Not In Deathmatch : [2048]
