WeaponFireCallback/keyvalues/scripts/weapons/mp_titanweapon_predator_cannon.txt

WeaponData
{
	"OnWeaponPrimaryAttack"							"WeaponFireCallbacks_OnWeaponPrimaryAttack_titanweapon_predator_cannon"
	"OnWeaponNpcPrimaryAttack"						"WeaponFireCallbacks_OnWeaponNpcPrimaryAttack_titanweapon_predator_cannon"
}