"ober_summon_gunner"
	{
		// General


//------------------------------------------------------------------------------------------------------------

-
		"ID"					"5005"

							// unique ID number for this ability.  Do not change

this once established or it will invalidate collected stats.
		"AbilityBehavior"				"DOTA_ABILITY_BEHAVIOR_POINT"
		"AbilityCastPoint"				"0.4 0.4 0.4 0.4"
		"AbilityCastRange"				"600"
		"BaseClass"	"ability_datadriven"

		// Time


//------------------------------------------------------------------------------------------------------------

-
		"AbilityCooldown"				"8.0"

		// Cost


//------------------------------------------------------------------------------------------------------------

-
		"AbilityManaCost"				"145"

		// Special


//------------------------------------------------------------------------------------------------------------

-
		"OnSpellStart"
		{
			"SpawnUnit"
			{
				"UnitName"	"npc_dota_lycan_wolf1"
				"Target"	"POINT"
				"Duration"	"45"
				"UnitCount"	"1"
			}
			"RunScript"
			{
				"Target"	"POINT"
				"Caster"	"CASTER"
				"Point"		"TARGET"
				"ScriptFile"  "Ober.lua"
				"Function"	"CheckGunner"
			}
		}
	}


Ober.lua

function CheckGunner( keys )
	local find = keys.caster:FindAbilityByName("ober_summon_gunner"):GetLevel()
	local Caster = keys.caster
	local point = keys.target_points[1]
	if find == 1 then
		CreateUnitByName("ober_gunner1", point, true, Caster, Caster, Caster:GetTeam())
	elseif find == 2 then
		CreateUnitByName("ober_gunner2", point, true, Caster, Caster, Caster:GetTeam())
	elseif find == 3 then
		CreateUnitByName("ober_gunner3", point, true, Caster, Caster, Caster:GetTeam())
	elseif find == 4 then
		CreateUnitByName("ober_gunner4", point, true, Caster, Caster, Caster:GetTeam())
	end
end