Returns the icon texture for a particular trainer service.

icon = GetTrainerServiceIcon(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.)

Returns

icon 

(String) Name of the icon texture for a particular trainer service. nil if id is a header rather than a spell line.

Example

Prints skill names and icon textures when interacting with a trainer.

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