WeaponFireCallback/keyvalues/scripts/weapons/mp_weapon_gunship_launcher.txt

WeaponData
{
	"OnWeaponPrimaryAttack"							"WeaponFireCallbacks_OnWeaponPrimaryAttack_GunshipLauncher"
	"OnWeaponNpcPrimaryAttack"						"WeaponFireCallbacks_OnWeaponNpcPrimaryAttack_GunshipLauncher"
}