ItemPropertyExtraMeleeDamageType

From NWN2Wiki

// Returns Item property extra melee damage type.  You must specify the extra
// melee base damage type that you want applied.  It is a constant(IP_CONST_DAMAGETYPE_*).
// NOTE: only the first 3 base types (piercing, slashing, & bludgeoning are applicable
//       here.  
// NOTE: It is also only applicable to melee weapons.
itemproperty ItemPropertyExtraMeleeDamageType(int nDamageType);