API IsSpellKnown

isKnown = IsSpellKnown(spellID, isPetSpell)

Arguments

 * spellID : integer - the spell ID number
 * isPetSpell : boolean (optional) - if true, will check if the currently active pet knows the spell; if false or omitted, will check if the player knows the spell

Returns

 * isKnown : boolean - whether the player (or pet) knows the given spell