API C SpecializationInfo.CanPlayerUsePVPTalentUI

Returns true if the player is allowed to use the PvP talent UI, or false and a reason string if not.
 canUse, failureReason = C_SpecializationInfo.CanPlayerUsePVPTalentUI()
==Returns==
:;canUse:
:;failureReason:
==Patch changes==