All about the Target

The following was originally an article that compiled documentation about the Target key, which wasn't well documented anywhere:

"Target" is one tricky key.

And yet, it's arguably the most important KV to understand, as its found in almost every datadriven Action.

Having a wrong "Target" block is the number one reason of having to relaunch the game, testing with many combinations until you finally get the right context.

Quoting the wiki on this:

Note: These names mean different things in different events. It may require some experimentation to discover exactly what in each case.

This article intends to compile every Target-related decision.

To test everything and get results, I used some simple scripts to test which parameters are seen in each event context. The KV and Lua Scripts are found below, along with all the debug data.

After running many tests with different ability behaviors, here's what I got:

ABILITY EVENT CONTEXTS

Behavior: DOTA_ABILITY_BEHAVIOR_NO_TARGET

Event	Target
OnSpellStart	CASTER, UNIT, ATTACKER
OnAbilityPhaseStart	CASTER, UNIT, ATTACKER

DOTA_ABILITY_BEHAVIOR_UNIT_TARGET

This behavior adds TARGET as a possible value for the Target key:

Event	Target
OnSpellStart	CASTER, TARGET, UNIT, ATTACKER
OnAbilityPhaseStart	CASTER, TARGET, UNIT, ATTACKER

AbilityChannelTime > 0

DOTA_ABILITY_BEHAVIOR_CHANNELLED only purpose is to change the ability Tooltip to "Channeled". In fact, the BEHAVIOR_CHANNELED isn't even needed, "AbilityChannelTime" is all that matters for the actual ability behavior.

Event	Target
OnChannelFinish	CASTER, TARGET, UNIT, ATTACKER
OnChannelInterrupted	CASTER, TARGET, UNIT, ATTACKER
OnChannelSucceeded	CASTER, TARGET, UNIT, ATTACKER

With Linear and Tracking Projectile Actions

Event	Target
OnProjectileFinish	CASTER, TARGET, PROJECTILE
OnProjectileHitUnit	CASTER, TARGET, PROJECTILE

DOTA_ABILITY_BEHAVIOR_TOGGLE

Event	Target
OnToggleOff	CASTER
OnToggleOn	CASTER

Item pickup and drop

Event	Target
OnEquip	CASTER
OnUnequip	CASTER

Any Behavior

Event	Target
OnOwnerDied	CASTER
OnOwnerSpawned	CASTER
OnUpgrade	CASTER

MODIFIER EVENT CONTEXTS

Caster-Target

Target always refers to the owner of the modifier.

Event	Target
OnCreated	CASTER, TARGET
OnDestroy	CASTER, TARGET
OnIntervalThink	CASTER, TARGET
OnProjectileDodge	CASTER, TARGET

Damage

In these events we can send an extra parameter, referenced as %attack_damage

Note that this is not a value taken from an AbilityValues, instead it is generated by the system to be used in very particular events.

Event	Target	%attack_damage value
OnTakeDamage	CASTER, UNIT, ATTACKER	post reduction
OnDealDamage	CASTER, UNIT, ATTACKER	post reduction

Attacks

In some of the attack events we can also use the %attack_damage

Event	Target	%attack_damage value
OnAttack	CASTER, TARGET, ATTACKER	0
OnAttackStart	CASTER, TARGET, ATTACKER	0
OnAttackAllied	CASTER, TARGET, ATTACKER	0
OnAttacked	CASTER, TARGET, ATTACKER	post reduction
OnAttackLanded	CASTER, TARGET, ATTACKER	before reduction, the real attack value
OnAttackFailed	CASTER, TARGET, ATTACKER	before reduction, the real attack value

Killing

Event	Target
OnDeath	CASTER, UNIT, ATTACKER
OnKill	CASTER, UNIT, ATTACKER
OnHeroKilled	CASTER, TARGET, ATTACKER

Caster-Unit

Event	Target	Extra
OnAbilityEndChannel	CASTER, UNIT	TARGET if the ability isn't NO_TARGET
OnAbilityExecuted	CASTER, UNIT	TARGET if the ability isn't NO_TARGET
OnOrder	CASTER, UNIT	TARGET if the Order is an ability with target
OnRespawn	CASTER, UNIT	needs "Attributes" "PERMANENT" on its modifier
OnManaGained	CASTER, UNIT
OnSpentMana	CASTER, UNIT
OnStateChanged	CASTER, UNIT
OnTeleporting	CASTER, UNIT
OnTeleported	CASTER, UNIT
OnUnitMoved	CASTER, UNIT
OnHealReceived	CASTER, UNIT
OnHealthGained	CASTER, UNIT

Never Triggered

OnAbilityStart - Broken?

Raw Data

This section has the raw data used to compile the above.

Scripts:

OnSomethingEvent
{
     "RunScript"
     {
         "ScriptFile"   "test.lua"
         "Function" "TargetTest"
         "EventName" "OnSomethingEvent"
     }
}

The entire ability script to test them all in the same cast is in the full test ability script at the bottom of this article.

Lua

lua

function TargetTest( event )
    local caster = event.caster
    local target = event.target
    local unit = event.unit
    local attacker = event.attacker
    local ability = event.ability

    -- Tables
    local target_points = event.target_points
    local target_entities = event.target_entities

    -- Extra parameter
    local EventName = event.EventName
    local Damage = event.Damage

    print("**"..EventName.."**")
    print("~~~")
    if caster then print("CASTER: "..caster:GetUnitName()) end
    if target then print("TARGET: "..target:GetUnitName()) end
    if unit then print("UNIT: "..unit:GetUnitName()) end
    if attacker then print("ATTACKER: "..attacker:GetUnitName()) end
    if Damage then print("DAMAGE: "..Damage) end

    if target_points then
        for k,v in pairs(target_points) do
            print("POINT",k,v)
        end
    end

    -- Multiple Targets
    if target_entities then
        for k,v in pairs(target_entities) do
            print("TARGET "..k..": "..v:GetUnitName())
        end
    end

    --DeepPrintTable(event)
    print("~~~")
end

Will produce console messages like this:

OnAbilityPhaseStart

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

OnSpellStart

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

Results on casting abilities with every Ability Event at the same time, Alchemist is our caster, Abaddon is an enemy hero.

Ability Event Context

Any Behaviors

OnUpgrade

CASTER: npc_dota_hero_alchemist

DOTA_ABILITY_BEHAVIOR_NO_TARGET

OnAbilityPhaseStart

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

OnSpellStart

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

DOTA_ABILITY_BEHAVIOR_UNIT_TARGET

OnAbilityPhaseStart

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

OnSpellStart

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

DOTA_ABILITY_BEHAVIOR_UNIT_TARGET | DOTA_ABILITY_BEHAVIOR_CHANNELLED

Without an AbilityChannelTime value it will just do the OnSpellStart and OnAbilityPhaseStart, AbilityChannelTime is "0" by default.

In fact, the BEHAVIOR_CHANNELED isn't even needed, AbilityChannelTime is all that matters for the actual ability behavior while the BEHAVIOR_CHANNELED is just for tooltip.

"AbilityChannelTime" "1.0"

OnAbilityPhaseStart

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

OnSpellStart

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

After 1 second, it displays:

OnChannelFinish

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

OnChannelSucceeded

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

Moving after the spell started channeling results in:

OnAbilityPhaseStart

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

OnSpellStart

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

OnChannelFinish

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

OnChannelInterrupted

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

DOTA_ABILITY_BEHAVIOR_POINT

If you don't pass POINT to the RunScript, you'll get this:

OnAbilityPhaseStart

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

OnSpellStart

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

If you add UNIT_TARGET to the behaviors, it produces this, but only when you target an enemy instead of the ground:

OnAbilityPhaseStart

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

OnSpellStart

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist

Adding "Target" "POINT" to the RunScript gives us the point targeted when iterating over the table of target_points

"RunScript"
{
    "ScriptFile" "test.lua"
    "Function" "TargetTest"
    "EventName" "OnAbilityPhaseStart"
    "Target" "POINT"
}

OnSpellStart

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist
POINT   1   Vector 000000000322E9D8 [-296.343750 -84.625000 128.000000]

In fact, it doesn't need to be a behavior POINT ability to produce a point entity.

PROJECTILE

Added a Linear Projectile to the event_test ability in the OnSpellStart, DOTA_ABILITY_BEHAVIOR_UNIT_TARGET

"LinearProjectile"
{
    "Target" "POINT"
    "EffectName"    "particles/units/heroes/hero_mirana/mirana_spell_arrow.vpcf"
    "MoveSpeed" "1000"
    "StartRadius"   "100"
    "StartPosition" "attach_attack1"
    "EndRadius" "100"
    "HasFrontalCone" "0"
    "FixedDistance" "1000"
    "TargetTeams"   "DOTA_UNIT_TARGET_TEAM_ENEMY"
    "TargetTypes"   "DOTA_UNIT_TARGET_BASIC | DOTA_UNIT_TARGET_HERO"
    "TargetFlags"   "DOTA_UNIT_TARGET_FLAG_NONE"
}

Triggers up this action when the projectile collides with the enemy hero. Changing the Linear to a Tracking doesn't change the basic targeting.

OnProjectileHitUnit

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon

If I fire the projectile and it goes for the entire fixed distance, it results in this:

OnProjectileFinish

CASTER: npc_dota_hero_alchemist

Passing the Point and we'll get a POINT 1

Now with this test we can check if POINT and PROJECTILE are the same Vector:

"OnSpellStart"
{
    "RunScript"
    {
        "ScriptFile"  "test.lua"
        "Function"    "TargetTest"
        "EventName"   "OnSpellStart"
        "Target"      "POINT"
    }
}

"OnProjectileHitUnit"
{
    "DeleteOnHit"  "1"
    "RunScript"
    {
        "ScriptFile"  "test.lua"
        "Function"    "TargetTest"
        "EventName"   "OnProjectileHitUnitUnit"
        "Target"      "POINT"
    }

    "RunScript"
    {
        "ScriptFile"  "test.lua"
        "Function"    "TargetTest"
        "EventName"   "OnProjectileHitUnitProjectile"
        "Target"      "PROJECTILE"
    }
}

Result after a couple of units hit:

OnSpellStart

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_alchemist
POINT   1   Vector 0000000003255BA0 [-513.468750 -16.468750 128.000000]

OnProjectileHitUnitUnit

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_neutral_kobold
POINT   1   Vector 0000000003244688 [-742.161560 22.603647 162.187149]

OnProjectileHitUnitProjectile

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_neutral_kobold
POINT   1   Vector 000000000322FA00 [-742.161560 22.603647 162.187149]

OnProjectileHitUnitUnit

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_neutral_kobold
POINT   1   Vector 000000000325CCC8 [-676.447083 11.376265 162.187149]

OnProjectileHitUnitProjectile

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_neutral_kobold
POINT   1   Vector 000000000326CDA8 [-676.447083 11.376265 162.187149]

OnProjectileFinishPoint

CASTER: npc_dota_hero_alchemist
POINT   1   Vector 0000000003231680 [210.698059 -140.193390 162.187149]

OnProjectileFinishProjectile

CASTER: npc_dota_hero_alchemist
POINT   1   Vector 00000000032692B8 [210.698059 -140.193390 162.187149]

We can see how OnSpellStart has the POINT where we clicked

Note: Projectiles are not an entity.

DYING

OnOwnerDied

CASTER: npc_dota_hero_alchemist

RESPAWN LATER

OnOwnerSpawned

CASTER: npc_dota_hero_alchemist

ITEM

OnEquip

CASTER: npc_dota_hero_alchemist

OnUnequip

CASTER: npc_dota_hero_alchemist

Modifier Event Context

Applying a modifier on an enemy abaddon with all the modifier events (2nd ability in the full script below)

OnManaGained

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_abaddon

OnHealReceived

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_abaddon

These 2 spam the console heavily (even though the target is on full health and mana) so I'll move to others.

First triggered after the modifier is applied

OnCreated

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon

Enemy learned an ability triggered the OnOrder function, pressing Stop key repeatedly did the same

OnOrder

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_abaddon

Enemy moved only triggered this (meaning OnOrder doesn't count moving)

OnUnitMoved

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_abaddon

Added if ability then print("ABILITY: "..ability:GetAbilityName()) end to the script to check that the ability handle is always the name of the modifier.

Enemy cast a damaging unit target spell on caster of the modifier, these 3 events trigger on this order:

OnOrder

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_alchemist
UNIT: npc_dota_hero_abaddon
ABILITY: event_test

OnAbilityExecuted

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_alchemist
UNIT: npc_dota_hero_abaddon
ABILITY: event_test

OnDealDamage

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_abaddon
ABILITY: event_test

Now testing the Damage events, making use of the magic %attack_damage that Valve added at some point.

"OnTakeDamage"
{
    "RunScript"
    {
        "ScriptFile"  "test.lua"
        "Function"    "TargetTest"
        "EventName"   "OnTakeDamage"
        "Damage"      "%attack_damage"
    }
}

"OnDealDamage"
{
    "RunScript"
    {
        "ScriptFile"  "test.lua"
        "Function"    "TargetTest"
        "EventName"   "OnDealDamage"
        "Damage"      "%attack_damage"
    }
}

This started triggering the OnHealthGained, as the target with the modifier gained health, unlike the OnHealReceived which triggered every time.

OnHealthGained

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_abaddon

Back to testing the Damage events, I added local Damage = event.Damage to the script and confirmed that both OnTakeDamage and OnDealDamage have access to the attack_damage:

OnTakeDamage

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_abaddon
ATTACKER: npc_dota_hero_alchemist
DAMAGE: 56.208053588867

OnAttackLanded

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_abaddon

We also get triggers from the OnAttack events, when Abaddon attacks caster Alchemist:

OnAttackStart

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_abaddon

OnAttack

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_abaddon

OnAttackLanded

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_abaddon

OnDealDamage

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_abaddon
DAMAGE: 67.154029846191

Alchemist attacks Abaddon with our test modifier on Abaddon:

OnAttacked

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
ATTACKER: npc_dota_hero_alchemist
DAMAGE: 55.369129180908

OnTakeDamage

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_abaddon
ATTACKER: npc_dota_hero_alchemist
DAMAGE: 55.369129180908

So both OnDealDamage and OnTakeDamage have access to the %attack_damage

What if we add attack_damage to the attack landed?

2 attacks:

OnAttackStart

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_abaddon
DAMAGE: 0

OnAttack

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_abaddon
DAMAGE: 0

OnAttackLanded

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_abaddon
DAMAGE: 83

OnDealDamage

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_abaddon
DAMAGE: 70.554229736328

OnAttackStart

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_abaddon
DAMAGE: 0

OnAttack

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_abaddon
DAMAGE: 0

OnAttackLanded

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_abaddon
DAMAGE: 80

OnDealDamage

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_abaddon
DAMAGE: 68.004081726074

Abaddon has an attack range of 79 to 89

OnAttackLanded attack_damage passes the attack value!

Casting a teleport scroll:

OnTeleporting

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist

OnAbilityExecuted

CASTER: npc_dota_hero_alchemist
TARGET: npc_building_hut
UNIT: npc_dota_hero_alchemist

After ending successfully:

OnTeleported

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist

OnAbilityEndChannel

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist

If the scroll is canceled, no OnTeleported is triggered.

I gave Abaddon some Evasion:

OnAttackFailed

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
ATTACKER: npc_dota_hero_alchemist
DAMAGE: 69

OnAttackFailed also has the real, pre mitigation attack_damage of the ATTACKER.

Kill some kobold

OnKill

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_neutral_kobold
ATTACKER: npc_dota_hero_alchemist

Killed Abaddon, triggered

OnHeroKilled

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon
ATTACKER: npc_dota_hero_alchemist

I used Chemical Rage, which is NO_TARGET, triggered these:

OnSpentMana

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist

OnAbilityExecuted

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist

OnStateChanged

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist

OnStateChanged triggers every time a new State is applied (the State Changed because the ability applies a short INVULNERABLE state)

When Dying, OnDeath occurs before the modifiers are destroyed

OnDeath

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist
ATTACKER: npc_dota_hero_abaddon

OnDestroy

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_alchemist

OnRespawn will only trigger with PERMANENT modifiers, because without this key the mods will be destroy when the owner dies.

"Attributes"    "MODIFIER_ATTRIBUTE_PERMANENT"
"OnRespawn"
{
    "RunScript"
    {
        "ScriptFile"    "test.lua"
        "Function"      "TargetTest"
        "EventName"     "OnRespawn"
    }
}

OnRespawn

CASTER: npc_dota_hero_alchemist
UNIT: npc_dota_hero_alchemist

Dodging a projectile

OnProjectileDodge

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_alchemist

OnDestroy has the same scope as OnCreated

OnDestroy

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_abaddon

OnIntervalThink same as OnCreated

OnIntervalThink

CASTER: npc_dota_hero_alchemist
TARGET: npc_dota_hero_alchemist

Full Test Ability Script

// Ability Events
"event_test"
{
	"BaseClass"             		"ability_datadriven"

	"AbilityBehavior"				"DOTA_ABILITY_BEHAVIOR_UNIT_TARGET"	//Change this to trigger different events
	"AbilityUnitTargetTeam"			"DOTA_UNIT_TARGET_TEAM_BOTH"
	"AbilityUnitTargetType"			"DOTA_UNIT_TARGET_HERO | DOTA_UNIT_TARGET_BASIC"

	"AbilityCastRange"				"700"
	"AbilityCastPoint"				"0.3"
	"AbilityCooldown"				"0.0"

	"OnSpellStart"
	{
		"RunScript"
		{
			"ScriptFile"	"test.lua"
			"Function"		"TargetTest"
			"EventName"		"OnSpellStart"
		}
	}

	"OnAbilityPhaseStart"
	{
		"RunScript"
		{
			"ScriptFile"	"test.lua"
			"Function"		"TargetTest"
			"EventName"		"OnAbilityPhaseStart"
		}
	}

	"OnToggleOff"
	{
		"RunScript"
		{
			"ScriptFile"	"test.lua"
			"Function"		"TargetTest"
			"EventName"		"OnToggleOff"
		}
	}

	"OnToggleOn"
	{
		"RunScript"
		{
			"ScriptFile"	"test.lua"
			"Function"		"TargetTest"
			"EventName"		"OnToggleOn"
		}
	}

	"OnChannelFinish"
	{
		"RunScript"
		{
			"ScriptFile"	"test.lua"
			"Function"		"TargetTest"
			"EventName"		"OnChannelFinish"
		}
	}

	"OnChannelInterrupted"
	{
		"RunScript"
		{
			"ScriptFile"	"test.lua"
			"Function"		"TargetTest"
			"EventName"		"OnChannelInterrupted"
		}
	}

	"OnChannelSucceeded"
	{
		"RunScript"
		{
			"ScriptFile"	"test.lua"
			"Function"		"TargetTest"
			"EventName"		"OnChannelSucceeded"
		}
	}


	"OnEquip"
	{
		"RunScript"
		{
			"ScriptFile"	"test.lua"
			"Function"		"TargetTest"
			"EventName"		"OnEquip"
		}
	}

	"OnUnequip"
	{
		"RunScript"
		{
			"ScriptFile"	"test.lua"
			"Function"		"TargetTest"
			"EventName"		"OnUnequip"
		}
	}

	"OnOwnerDied"
	{
		"RunScript"
		{
			"ScriptFile"	"test.lua"
			"Function"		"TargetTest"
			"EventName"		"OnOwnerDied"
		}
	}

	"OnOwnerSpawned"
	{
		"RunScript"
		{
			"ScriptFile"	"test.lua"
			"Function"		"TargetTest"
			"EventName"		"OnOwnerSpawned"
		}
	}

	"OnProjectileFinish"
	{
		"RunScript"
		{
			"ScriptFile"	"test.lua"
			"Function"		"TargetTest"
			"EventName"		"OnProjectileFinish"
		}
	}

	"OnProjectileHitUnit"
	{
		"RunScript"
		{
			"ScriptFile"	"test.lua"
			"Function"		"TargetTest"
			"EventName"		"OnProjectileHitUnit"
		}
	}

	"OnUpgrade"
	{
		"RunScript"
		{
			"ScriptFile"	"test.lua"
			"Function"		"TargetTest"
			"EventName"		"OnUpgrade"
		}
	}

	"OnSpawn"
	{
		"RunScript"
		{
			"ScriptFile"	"test.lua"
			"Function"		"TargetTest"
			"EventName"		"OnSpawn"
		}
	}
}


// Modifier Events
"event_test"
{
	"BaseClass"             		"ability_datadriven"

	"AbilityBehavior"				"DOTA_ABILITY_BEHAVIOR_UNIT_TARGET"	//Change this to trigger different events
	"AbilityUnitTargetTeam"			"DOTA_UNIT_TARGET_TEAM_BOTH"
	"AbilityUnitTargetType"			"DOTA_UNIT_TARGET_HERO | DOTA_UNIT_TARGET_BASIC"

	"AbilityCastRange"				"700"
	"AbilityCastPoint"				"0.3"
	"AbilityCooldown"				"0.0"

	"OnSpellStart"
	{
		"ApplyModifier"
		{
			"ModifierName"	"modifier_test"
			"Target" 		"TARGET"
		}
	}

	"Modifiers"
	{
		"modifier_test"
		{
			"OnCreated"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnCreated"
				}
			}

			"OnAbilityEndChannel"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnAbilityEndChannel"
				}
			}

			"OnAbilityExecuted"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnAbilityExecuted"
				}
			}

			"OnManaGained"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnManaGained"
				}
			}

			"OnRespawn"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnRespawn"
				}
			}

			"OnSpentMana"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnSpentMana"
				}
			}

			"OnStateChanged"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnStateChanged"
				}
			}

			"OnTakeDamage"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnTakeDamage"
				}
			}

			"OnDealDamage"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnDealDamage"
				}
			}

			"OnTeleported"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnTeleported"
				}
			}

			"OnTeleporting"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnTeleporting"
				}
			}

			"OnOrder"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnOrder"
				}
			}

			"OnProjectileDodge"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnProjectileDodge"
				}
			}

			"OnUnitMoved"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnUnitMoved"
				}
			}

			"OnHealReceived"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnHealReceived"
				}
			}

			"OnHealthGained"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnHealthGained"
				}
			}

			"OnAttack"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnAttack"
				}
			}

			"OnAttackStart"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnAttackStart"
				}
			}

			"OnAttackAllied"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnAttackAllied"
				}
			}

			"OnAttacked"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnAttacked"
				}
			}

			"OnAttackFailed"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnAttackFailed"
				}
			}

			"OnAttackLanded"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnAttackLanded"
				}
			}

			"OnDeath"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnDeath"
				}
			}

			"OnKill"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnKill"
				}
			}

			"OnHeroKilled"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnHeroKill"
				}
			}

			// "ThinkInterval" "1.0"
			"OnIntervalThink"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnIntervalThink"
				}
			}

			"OnDestroy"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnDestroy"
				}
			}

			// This doesn't trigger.
			"OnAbilityStart"
			{
				"RunScript"
				{
					"ScriptFile"	"test.lua"
					"Function"		"TargetTest"
					"EventName"		"OnAbilityStart"
				}
			}
		}
	}
}

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OnAbilityStart -> NEGATORY, Fails.

All about the Target ​

ABILITY EVENT CONTEXTS ​

Behavior: DOTA_ABILITY_BEHAVIOR_NO_TARGET ​

DOTA_ABILITY_BEHAVIOR_UNIT_TARGET ​

AbilityChannelTime > 0 ​

With Linear and Tracking Projectile Actions ​

DOTA_ABILITY_BEHAVIOR_TOGGLE ​

Item pickup and drop ​

Any Behavior ​

MODIFIER EVENT CONTEXTS ​

Caster-Target ​

Damage ​

Attacks ​

Killing ​

Caster-Unit ​

Never Triggered ​

Raw Data ​

Ability Event Context ​

Modifier Event Context ​

Full Test Ability Script ​

All about the Target

ABILITY EVENT CONTEXTS

Behavior: DOTA_ABILITY_BEHAVIOR_NO_TARGET

DOTA_ABILITY_BEHAVIOR_UNIT_TARGET

AbilityChannelTime > 0

With Linear and Tracking Projectile Actions

DOTA_ABILITY_BEHAVIOR_TOGGLE

Item pickup and drop

Any Behavior

MODIFIER EVENT CONTEXTS

Caster-Target

Damage

Attacks

Killing

Caster-Unit

Never Triggered

Raw Data

Ability Event Context

Modifier Event Context

Full Test Ability Script