WoW:API GetTrainerServiceInfo

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Returns information about a trainer service.

name, rank, category, expanded = GetTrainerServiceInfo(id);

---

Arguments

id

Index of the trainer service to retrieve information about. Note that indices are affected by the trainer filter. (See GetTrainerServiceTypeFilter and SetTrainerServiceTypeFilter.)

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Returns

name

(String) Name of the spell or the header (i.e. "Arcane Explosion" or "Fire").

rank

(String) Rank of the spell, if applicable. Headers return empty strings.

category

(String) "used" (already have the spell), "unavailable" (can not train this skill), "available" (can train this skill) and "header".

expanded

(Number) nil if this is a collapsed header (category == "header"), 1 otherwise. (See CollapseTrainerSkillLine and ExpandTrainerSkillLine.)

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Example

Prints the list of trainable spells when interacting with a trainer.

local i, name, rank, category;
for i=1,GetNumTrainerServices() do
 name, rank, category = GetTrainerServiceInfo(i);
 if (name == nil) then
  break; -- GetNumTrainerServices() does not check if you're talking to a trainer or not.
 end
 if (category == "available") then
  DEFAULT_CHAT_FRAME:AddMessage(name .. " (" .. rank .. ")");
 end
end