C_SpellBook.IsSpellBookItemUsable

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	C_Spell.IsSpellUsable		+ 11.0.2
	C_SpellBook.IsSpellBookItemUsable		+ 11.0.2
	IsUsableSpell		+ 2.0.1, - 11.0.2

Returns whether the SpellBookIem is currently castable.

isUsable, insufficientPower = C_SpellBook.IsSpellBookItemUsable(spellBookItemSlotIndex, spellBookItemSpellBank)

Arguments

spellBookItemSlotIndex

number - Spellbook slot index, ranging from 1 through the total number of spells across all tabs and pages

spellBookItemSpellBank

Enum.SpellBookSpellBank

Value	Field	Description
0	Player
1	Pet

Returns

isUsable

boolean - True if the spell is usable, false otherwise. A spell might be unusable for a variety of reasons, such as:

• The player hasn't learned the spell
• The player lacks required mana or reagents
• Reactive conditions haven't been met

insufficientPower

boolean - True if spell is specifically unusable due to insufficient power (i.e., MANA, RAGE, etc)

Patch changes

• Patch 11.0.0 (2024-07-23): Added, replacement for IsUsableSpell.