API GetPVPRoles

Returns which roles the player is willing to perform in PvP battlegrounds. tank, healer, dps = GetPVPRoles

Returns

 * tank : Boolean - true if the player is marked as willing to tank, false otherwise.
 * healer : Boolean - true if the player is marked as willing to heal, false otherwise.
 * dps : Boolean - true if the player is marked as willing to deal damage, false otherwise.