public async Task RevokeInventoryItem(string playFabId, string itemInstance) { var reqRevokeInventoryItem = new RevokeInventoryItemRequest { PlayFabId = playFabId, ItemInstanceId = itemInstance }; var result = await PlayFabAdminAPI.RevokeInventoryItemAsync(reqRevokeInventoryItem); if (result.Error != null) { throw new Exception(result.Error.ErrorMessage); } }