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=== Get a Single or Nested Stat (`get_npc_var`) ===
=== Get a Single or Nested Stat (`get_npc_var`) ===
This is the primary function for retrieving NPC data. It can get a simple top-level stat or traverse into nested objects and arrays using additional parameters.
This is the primary function for retrieving NPC data. It can get a simple top-level stat or traverse deeply into nested objects and arrays (up to 6 levels deep via the template).


'''Syntax'''
'''Syntax'''
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'''Parameters'''
'''Parameters'''
* '''NPC Name:''' The internal key for the NPC. For example, `npc_boss_tier2` or `trooper_medic`.
* '''NPC Name:''' The internal key for the NPC (e.g., `npc_boss_tier2`, `trooper_normal`).
* '''Key 1, Key 2, ...:''' The path to the stat you want.
* '''Key 1, Key 2, ...:''' The path to the stat you want.
** For a simple stat, this is just one key (e.g., `MaxHealth`).
** For a simple stat, this is one key (e.g., `MaxHealth`).
** For a nested stat, provide each key as a separate parameter (e.g., `Shield`, `BaseAbsorptionPerSecond`).
** For nested data, provide each key in order (e.g., `RebirthModifier`, `RespawnDelay`).
** For arrays (lists), use the position number as a key (e.g., `IntrinsicModifiers`, `1`, `BULLET_ARMOR_DAMAGE_RESIST`).
* '''Rounding:''' (Optional) A number to round the result to that many significant figures. This should always be the last parameter.
* '''Rounding:''' (Optional) A number to round the result to that many significant figures. This should always be the last parameter.


'''Examples'''
'''Examples'''
* To get the max health of a Medic Trooper (a simple stat):
* To get the max health of a Normal Trooper:
** '''Code:''' <code><nowiki>{{#invoke:NpcData|get_npc_var|trooper_medic|MaxHealth}}</nowiki></code>
** '''Code:''' <code><nowiki>{{#invoke:NpcData|get_npc_var|trooper_normal|MaxHealth}}</nowiki></code>
** '''Result:''' {{#invoke:NpcData|get_npc_var|trooper_medic|MaxHealth}}
** '''Result:''' {{#invoke:NpcData|get_npc_var|trooper_normal|MaxHealth}}


* To get the base shield absorption of the Mid-Boss (a nested stat):
* To get the Respawn Delay for a Rejuvenator (nested object):
** '''Code:''' <code><nowiki>{{#invoke:NpcData|get_npc_var|npc_super_neutral|Shield|BaseAbsorptionPerSecond}}</nowiki></code>
** '''Code:''' <code><nowiki>{{#invoke:NpcData|get_npc_var|citadel_item_pickup_rejuv|RebirthModifier|RespawnDelay}}</nowiki></code>
** '''Result:''' {{#invoke:NpcData|get_npc_var|npc_super_neutral|Shield|BaseAbsorptionPerSecond}}
** '''Result:''' {{#invoke:NpcData|get_npc_var|citadel_item_pickup_rejuv|RebirthModifier|RespawnDelay}}


* To get the name of the Tier 2 Boss's first bound ability (nested in an object and an array):
* To get the name of a Walker's second ability (nested in BoundAbilities):
** '''Code:''' <code><nowiki>{{#invoke:NpcData|get_npc_var|npc_boss_tier2|BoundAbilities|1|Name}}</nowiki></code>
** '''Code:''' <code><nowiki>{{#invoke:NpcData|get_npc_var|npc_boss_tier2|BoundAbilities|ESlot_Signature_2|Name}}</nowiki></code>
** '''Result:''' {{#invoke:NpcData|get_npc_var|npc_boss_tier2|BoundAbilities|1|Name}}
** '''Result:''' {{#invoke:NpcData|get_npc_var|npc_boss_tier2|BoundAbilities|ESlot_Signature_2|Name}}


* If you misspell a stat, you will see an error:
* To get a value from a list of modifiers (nested array):
** '''Code:''' <code><nowiki>{{#invoke:NpcData|get_npc_var|trooper_medic|MaxHeath}}</nowiki></code> <!-- Note the typo -->
** '''Code:''' <code><nowiki>{{#invoke:NpcData|get_npc_var|npc_boss_tier2|IntrinsicModifiers|1|BULLET_ARMOR_DAMAGE_RESIST}}</nowiki></code>
** '''Result:''' {{#invoke:NpcData|get_npc_var|trooper_medic|MaxHeath}}
** '''Result:''' {{#invoke:NpcData|get_npc_var|npc_boss_tier2|IntrinsicModifiers|1|BULLET_ARMOR_DAMAGE_RESIST}}


----
* If a path is incorrect, an error message will show the full path attempted:
=== Get an Item from a List (`get_list_elem`) ===
** '''Code:''' <code><nowiki>{{#invoke:NpcData|get_npc_var|trooper_normal|InvalidKey|Stat}}</nowiki></code>
While `get_npc_var` can also access list items, this function is specifically for that purpose and is used by {{tl|NpcData}} when the `index` parameter is set.
** '''Result:''' <span class="error">Error: Key "InvalidKey" not found in path "trooper_normal".</span>
 
'''Syntax'''
<code><nowiki>{{#invoke:NpcData|get_list_elem|NPC Name|List Name|Position Number}}</nowiki></code>
 
'''Parameters'''
* '''NPC Name:''' The internal key for the NPC.
* '''List Name:''' The name of the list property, e.g., `NearbyEnemyResistanceValues`.
* '''Position Number:''' The position in the list. The first item is `1`, the second is `2`, and so on.
 
'''Example'''
* The Tier 2 Boss has a list of resistance values. To get the 4th value in that list:
** '''Code:''' <code><nowiki>{{#invoke:NpcData|get_list_elem|npc_boss_tier2|NearbyEnemyResistanceValues|4}}</nowiki></code>
** '''Result:''' {{#invoke:NpcData|get_list_elem|npc_boss_tier2|NearbyEnemyResistanceValues|4}}
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