example

actor Achilles : CustomInventory 5042 {
  Game Doom
  +COUNTITEM
  +INVENTORY.AUTOACTIVATE
  +INVENTORY.ALWAYSPICKUP
  +INVENTORY.FANCYPICKUPSOUND
  Inventory.MaxAmount 0
  Inventory.PickupSound "misc/p_pkup"
  Inventory.PickupMessage "$GOTACHILLES" // "Achilles Targeting Unit"
  States {
    Spawn:
      INFR A 6 Bright
      INFR B 6
      Loop
    Pickup:
      TNT1 A 0 A_GiveInventory("LightAmp30Giver", 1)
      TNT1 A 0 A_GiveInventory("Damage150Giver", 1)
      stop
  }
}

actor LightAmp30Giver : PowerupGiver {
  +INVENTORY.AUTOACTIVATE
  Powerup.Duration -30
  Powerup.Type "LightAmp"
}

actor Damage150Giver : PowerupGiver {
  +INVENTORY.AUTOACTIVATE
  Powerup.Type "Damage150"
  Powerup.Color 255, 0, 0, 0.1
}

actor PowerDamage150 : PowerDamage {
  Powerup.Duration -30
  damagefactor "normal", 1.5
}