You can do something like this:
package damageType
{
function Armor::damage(%this, %obj, %sourceObject, %position, %damage, %damageType)
{
parent::damage(%this, %obj, %sourceObject, %position, %damage, %damageType);
if(%obj.getDamageLevel() >= 100)
{
%damageName = $DamageType_Array[%damageType];
// whatever you wanna do
}
}
};
activatePackage(damageType);