API GetTrainerServiceTypeFilter

__NOTOC__
Returns the status of a skill filter in the trainer window.
 status = GetTrainerServiceTypeFilter(type)
==Parameters==
===Arguments===
:;type: - Possible values: 
::*"available"
::*"unavailable"
::*"used" (already known)
===Returns===
:;status: - true if currently displaying trainer services of the specified type, false otherwise.
==Patch changes==