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Old Knowledge Base
  • Knowledge Base
    • Getting to know us
  • Where to Buy
    • Become a Sponsor
    • Heathen License Agreement
  • General
    • ๐Ÿ”ŽTable of Contents
    • ๐ŸคฉGetting Started
      • Indie Check List
      • Sourcing Resources
        • ๐Ÿง™โ€โ™‚๏ธCommunity
        • ๐Ÿงžโ€โ™‚๏ธManaged Services
        • ๐Ÿ“ฃMarketing
        • ๐ŸงชTesting
    • ๐ŸงžTips and Tricks
      • Fundamentals
        • Development Phases
      • Unity
        • Package Manager Installs
          • Missing asset after update
        • Unity Release Version
      • Unreal
        • Unity to Unreal
        • Quick Start
    • ๐Ÿ“Design
      • โ˜๏ธQuick Start
      • ๐ŸฅพBootstraping
      • ๐Ÿค‘Monetization
        • What not to do
        • Models
          • Free
          • Free to Play
          • Pay to Play
          • Pay to Win
          • Play to Earn
        • Tools
          • ๐Ÿ˜กArtificial Scarcity
          • ๐Ÿค‘Bundles
          • ๐Ÿค”Community Marketplace
          • ๐Ÿค‘Expansions
          • ๐Ÿ˜กFear of Missing Out (FOMO)
          • ๐Ÿ˜กGatcha Mechanics
          • ๐Ÿค”Microtransactions (MTX)
          • ๐Ÿ˜กNFT
            • ๐Ÿ˜กBlockchain
          • ๐Ÿค”No Spend Cap
          • ๐Ÿ˜กPremium Currency
          • ๐Ÿค”Season
          • ๐Ÿค‘Subscription
          • ๐Ÿ˜กSurprise Mechanics
      • ๐ŸŽฎMultiplayer
        • Networking Tools
        • Terminology
      • ๐ŸคนMulti-Scene Architecture
      • ๐ŸŒProject Architecture
      • ๐Ÿ˜ŠPlayer Motivation
    • ๐Ÿ—๏ธDevelopment
      • โ˜๏ธQuick Start
      • โ˜Ž๏ธCallbacks & Delegates
      • โ”Conditional Compilation
      • ๐ŸชณDebugging
      • ๐ŸšงDevOps
        • โ˜•Team Collaboration
        • ๐Ÿ›‚Git Control & Unity
      • โ‰๏ธError Handling
        • System Dialog
        • Reporting
      • ๐ŸคฏIntelliSense
      • ๐ŸชถLambda Expressions
      • ๐Ÿคนโ€โ™€๏ธMulti Platform Projects
      • ๐Ÿ“‘Namespace and Using
      • ๐ŸŽฎUnity's "New" Input System
      • ๐Ÿ”ผUpdating Visual Studio and C#
      • ๐Ÿ’กVisual Scripting
    • โš ๏ธPublishers
    • ๐ŸงชTesting
      • ๐Ÿ‘‹Introduction
      • โœ๏ธWriting Formal Tests
    • ๐Ÿง™โ€โ™‚๏ธCommunity
      • โ˜๏ธQuick Start
    • ๐Ÿ“ฃMarketing
      • โ˜๏ธQuick Start
      • ๐Ÿ“ŒTips and Tactics
      • ๐Ÿค“Market Research
    • ๐Ÿ“†Release
    • ๐Ÿ—บ๏ธLive
  • Steam
    • โ˜๏ธQuick Start
    • ๐Ÿ†Achievements
    • ๐ŸŒณBranches
    • ๐Ÿ—ฃ๏ธCommunity Hub
    • โฌ†๏ธUploading to Steam
    • โ˜๏ธCloud Save
    • ๐Ÿ†”CSteamID
    • ๐Ÿ”ŽDiscovery Queue
    • ๐Ÿ•น๏ธDownloadable Content
    • ๐ŸšซEarly Access
    • ๐Ÿ–ฑ๏ธInput
    • ๐Ÿ“ฆInventory
      • ๐Ÿ”จCrafting System
      • ๐Ÿ› ๏ธItem Definition Tools
      • ๐Ÿ’ธMicrotransactions
      • ๐ŸŽPromo Items
    • ๐ŸšขLaunch
    • ๐Ÿฅ‡Leaderboards
      • ๐Ÿ—ฃ๏ธAdvanced Profiles
    • ๐ŸŽฎMultiplayer
      • โ˜๏ธGetting Started
      • ๐ŸงชDev and Test
      • ๐Ÿง‘โ€โš–๏ธAuthentication
      • ๐Ÿ›‹๏ธLobby
      • ๐Ÿง‘โ€๐Ÿคโ€๐Ÿง‘Matchmaking
      • ๐Ÿง‘โ€๐Ÿ”งRich Presence
      • ๐Ÿ’ฌRoom Systems
      • ๐Ÿ’Steam Game Server
        • ๐Ÿ‘ทBuilds
        • โš™๏ธConfiguration
        • ๐Ÿ“‹Server Browser
        • ๐ŸงSetup Linux
      • ๐Ÿ—ฃ๏ธTerminology
    • ๐ŸคนMulti-Platform Project
    • ๐ŸงชPlaytest
    • ๐Ÿ›‹๏ธRemote Play
    • ๐Ÿ‘€Reviews
    • ๐ŸƒRunning a Build
    • ๐Ÿ’ถSales
    • โญStats
    • ๐Ÿ”‘Steam API Key
    • ๐Ÿ“ƒsteam_appid.txt
    • ๐Ÿ–ฅ๏ธSteam Deck
    • โš™๏ธSteamworks
    • ๐ŸคฏStore Page
    • ๐Ÿ› ๏ธWorkshop
      • Creating an Item
      • In-Game Browser
      • Subscribed Items
    • ๐Ÿง‘โ€๐ŸซUser Information
      • Unity User Tools
      • Unreal User Tools
    • ๐Ÿ—ฃ๏ธVoice
  • Toolkit for Steamworks
    • Introduction
    • Maintenance Cycle
    • F.A.Q
    • Unity
      • โš ๏ธKnown Issues
      • Unity Asset Refund Policy
      • Installation
        • Networking Integrations
      • Getting Started
      • Debugging
      • Learning
      • API Extensions
        • App.Client
        • App.Server
        • App.Web
        • Authentication
        • BigPicture.Client
        • Clans.Client
        • Friends.Client
        • Input.Client
        • Inventory.Client
        • Leaderboards.Client
        • Matchmaking.Client
        • Overlay.Client
        • Parties.Client
        • RemotePlay.Client
        • RemoteStorage.Client
        • Screenshots.Client
        • StatsAndAchievements.Client
        • StatsAndAchievements.Server
        • User.Client
        • UserGeneratedContent.Client
        • Utilities
        • Utilities.Client
        • Voice.Client
      • Objects
        • Classes
          • Achievement Data
          • Achievement Object
          • App Data
          • Authentication Session
          • Authentication Ticket
          • Avg Rate Stat
          • Chat Room
          • Clan Chat Msg
          • Clan Data
          • Currency
          • Data Model
          • DLC Data
          • Downloadable Content Object
          • Favorite Game
          • Float Stat
          • Game Data
          • Input Action
          • Input Action Data
          • Input Action Set
          • Input Action Set Data
          • Input Action Set Layer
          • Input Action Update
          • Input Controller Data
          • Int Stat
          • Inventory Result
          • Item Data
          • Item Definition
          • Item Detail
          • Leaderboard Data
          • Leaderboard Entry
          • Leaderboard Object
          • Lobby Chat Msg
          • Lobby Data
          • Lobby Game Server
          • Lobby Member Data
          • Party Beacon Details
          • Rank Change
          • Remote Storage File
          • Stat Data
          • Steam Game Server Configuration
          • UGC Query
          • User Data
          • Steam Settings
            • Colors
            • Game Client
              • Inventory Settings
            • Game Server
          • User Leave Data
          • Workshop Item
          • Workshop Item Data
          • Workshop Item Data Create Status
          • Workshop Item Key Value Tag
          • Workshop Item Preview File
        • Components
          • Friend Manager
          • Game Server Browser Manager
          • Input Action Event
          • Input Action Glyph
          • Input Action Name
          • Inventory Manager
          • Item Shopping Cart Manager
          • Leaderboard Manager
          • Leaderboard User Entry
          • Overlay Manager
          • Steam Game Server Events
          • Steam Input Manager
          • Steamworks Event Triggers
          • UGC Query Manager
          • Voice Recorder
          • Voice Stream
        • Enums
          • Friend Dialog
          • Inventory Item Type
          • Language Codes
          • Overlay Dialog
          • Sample Rate Method
          • Valve Price Categories
        • Prefabs
          • ๐Ÿ“ฆClan Chat
          • ๐Ÿ“ฆClan List
          • ๐Ÿ“ฆClan Member Count
          • ๐Ÿ“ฆFriend Avatar
          • ๐Ÿ“ฆFriend Groups
          • ๐Ÿ“ฆFriend List
          • ๐Ÿ“ฆFriend Name
          • ๐Ÿ“ฆFriend Profile
          • ๐Ÿ“ฆSelectable Friend ID
        • Programming Tools
          • IChatMessage
          • ILeaderboardEntryDisplay
          • IUserProfile
          • IWorkshopBrowserItemTemplate
          • LobbyMemberSlot
          • User Invite Button
        • UI Components
          • Chat Auto Join
          • Chat Stream
          • Clan Chat Director
          • Clan Chat Member Counter
          • Clan Chat Member List
          • Clan List
          • Clan Profile
          • Friend Group
          • Friend Groups Display
          • Friend Invite Dropdown
          • Friend List
          • Friend Profile
            • Image Field
            • Message Options
            • Text Field
          • Input Action Glyph
          • Input Action Name
          • Leaderboard Entry UI Record
          • Leaderboard UI List
          • Lobby Chat Director
          • Lobby Member Slot
          • Lobby Manager
          • Party Lobby Control
          • Quick Match Lobby Control
          • Rich Presence Reader
          • Rich Presence Setter
          • Set Achievement Description
          • Set Achievement Icon
          • Set Achievement Name
          • Set User Avatar
          • Set User Id Input Field
          • Set User Id Label
          • Set User Name
          • Toggle Event Helper
          • Workshop Browser Simple Item Record
      • Legacy
        • Troubleshooting
        • Getting Started
          • GameObject Initialization
          • ScriptableObject Initialization
          • API Initialization
        • Build Upload Tool
        • Debugging Tools
          • Testing
        • Components
          • Steamworks Behaviour
          • Steamworks Creator
          • Steam System Events
    • Unreal
      • What's New!
      • Installation
      • Getting Started
      • Updating Steamworks SDK
      • Packaging
      • Game Instance
      • Sockets Net Driver
      • Online Subsystem
      • Data Assets
        • Achievement
        • Downloadable Content
        • Inventory Item
        • Leaderboard
        • Stat
      • Widgets
        • BP_FriendsListDisplay
        • BP_FriendsListEntry
        • BP_FriendsListGroup
        • BP_SteamAvatarImage
        • BP_SteamUserName
      • Blueprint Nodes
        • Functions
          • ๐Ÿ”ตAdd Favorite Game
          • ๐Ÿ”ตAdd History Game
          • ๐Ÿ”ตAdd Promo Item
          • ๐Ÿ”ตAdd Request Lobby List Filter
          • ๐Ÿ”ตAdvertise Game
          • ๐Ÿ”ตAssociate with Clan
          • ๐Ÿ”ตAttach Leaderboard UGC
          • ๐Ÿ”ตBegin Auth Session
          • ๐Ÿ”ตCancel Auth Ticket
          • ๐Ÿ”ตCheck Result Steam ID
          • ๐Ÿ”ตClear All Key Values
          • ๐Ÿ”ตClear Achievement
          • ๐Ÿ”ตClear Rich Presence
          • ๐Ÿ”ตClient Initialize
          • ๐Ÿ”ตClient Run Callbacks
          • ๐Ÿ”ตClient Should Restart
          • ๐Ÿ”ตCompue New Player Compatibility
          • ๐Ÿ”ตConsume Item
          • ๐Ÿ”ตCreate Lobby
          • ๐Ÿ”ตDecompress Voice
          • ๐Ÿ”ตDelete Lobby Data
          • ๐Ÿ”ตDeserialize Result
          • ๐Ÿ”ตDestroy Result
          • ๐Ÿ”ตDownload Leaderboard Entries
          • ๐Ÿ”ตDownload Leaderboard Entries for Users
          • ๐Ÿ”ตEnd Auth Session
          • ๐Ÿ”ตExchange Items
          • ๐Ÿ”ตFind Leaderboard
          • ๐Ÿ”ตFind or Create Leaderboard
          • ๐Ÿ“‚Game Server Browser
            • ๐Ÿ”ตPing Server
            • ๐Ÿ”ตPlayer Details
            • ๐Ÿ”ตRequest Server List
            • ๐Ÿ”ตServer Rules
          • ๐Ÿ”ตGenerate Items
          • ๐Ÿ”ตGet Achievement
          • ๐Ÿ”ตGet Achievement by Index
          • ๐Ÿ”ตGet Achievement Icon
          • ๐Ÿ”ตGet Achievement Is Achieved
          • ๐Ÿ”ตGet All Items
          • ๐Ÿ”ตGet App Build ID
          • ๐Ÿ”ตGet App Id
          • ๐Ÿ”ตGet App Owner
          • ๐Ÿ”ตGet Auth Session Ticket
          • ๐Ÿ”ตGet Auth Ticket for Web API
          • ๐Ÿ”ตGet Available Game Languages
          • ๐Ÿ”ตGet Available Voice
          • ๐Ÿ”ตGet Coplay Friends
          • ๐Ÿ”ตGet Current Beta Name
          • ๐Ÿ”ตGet Current Game Language
          • ๐Ÿ”ตGet DLC Count
          • ๐Ÿ”ตGet DLC Data By Index
          • ๐Ÿ”ตGet DLC Download Progress
          • ๐Ÿ”ตGet Earliest Purchase
          • ๐Ÿ”ตGet Favorite Game
          • ๐Ÿ”ตGet Friends
          • ๐Ÿ”ตGet Friend Coplay Game
          • ๐Ÿ”ตGet Friend Coplay Time
          • ๐Ÿ”ตGet Friend Count from Source
          • ๐Ÿ”ตGet Friend Game Played
          • ๐Ÿ”ตGet Friend Groups
          • ๐Ÿ”ตGet Friend Group Members
          • ๐Ÿ”ตGet Friend Group Name
          • ๐Ÿ”ตGet Friend Persona Name
          • ๐Ÿ”ตGet Followed
          • ๐Ÿ”ตGet Installed Depots
          • ๐Ÿ”ตGet Item Definition Properties
          • ๐Ÿ”ตGet Item Price
          • ๐Ÿ”ตGet Items with Price
          • ๐Ÿ”ตGet Items by ID
          • ๐Ÿ”ตGet Launch Command Line
          • ๐Ÿ”ตGet Launch Query Param
          • ๐Ÿ”ตGet Leaderboard Display Type
          • ๐Ÿ”ตGet Leaderboard Entry Count
          • ๐Ÿ”ตGet Leaderboard Name
          • ๐Ÿ”ตGet Leaderboard Sort Method
          • ๐Ÿ”ตGet Lobby Chat Entry
          • ๐Ÿ”ตGet Lobby Data
          • ๐Ÿ”ตGet Lobby Data by Index
          • ๐Ÿ”ตGet Lobby Game Server
          • ๐Ÿ”ตGet Lobby Members
          • ๐Ÿ”ตGet Lobby Member by Index
          • ๐Ÿ”ตGet Lobby Member Data
          • ๐Ÿ”ตGet Lobby Member Limit
          • ๐Ÿ”ตGet Lobby Owner
          • ๐Ÿ”ตGet Most Achieved Achievement Info
          • ๐Ÿ”ตGet My Steam Avatar
          • ๐Ÿ”ตGet My Steam ID
          • ๐Ÿ”ตGet My Steam Level
          • ๐Ÿ”ตGet Num Items with Price
          • ๐Ÿ”ตGet Persona Name
          • ๐Ÿ”ตGet Persona State
          • ๐Ÿ”ตGet Player Nickname
          • ๐Ÿ”ตGet Public IP
          • ๐Ÿ”ตGet Result Item Property
          • ๐Ÿ”ตGet Result Items
          • ๐Ÿ”ตGet Result Status
          • ๐Ÿ”ตGet Result Timestamp
          • ๐Ÿ”ตGet Stat
          • ๐Ÿ”ตGet Steam ID
          • ๐Ÿ”ตGet User Achievement
          • ๐Ÿ”ตGet User Float Stat
          • ๐Ÿ”ตGet User Int Stat
          • ๐Ÿ”ตGet User Restrictions
          • ๐Ÿ”ตGet Rich Presence
          • ๐Ÿ”ตGet User Rich Presence
          • ๐Ÿ”ตGet User Rich Presence Key by Index
          • ๐Ÿ”ตGet User Steam Avatar
          • ๐Ÿ”ตGet Voice
          • ๐Ÿ”ตGet Voice Optimal Sample Rate
          • ๐Ÿ”ตGrant Promo Items
          • ๐Ÿ”ตHas Friend
          • ๐Ÿ”ตId is Me
          • ๐Ÿ”ตId is Valid
          • ๐Ÿ”ตIndicate Achievement Progress
          • ๐Ÿ”ตInstall DLC
          • ๐Ÿ”ตInvite User To Game
          • ๐Ÿ”ตInvite User to Lobby
          • ๐Ÿ”ตInitialize
          • ๐Ÿ”ตIs App Installed
          • ๐Ÿ”ตIs Behind NAT
          • ๐Ÿ”ตIs Cybercafe
          • ๐Ÿ”ตIs DLC Installed
          • ๐Ÿ”ตIs Lobby Owner
          • ๐Ÿ”ตIs Low Violence
          • ๐Ÿ”ตIs Phone Identifying
          • ๐Ÿ”ตIs Phone Requiring Verification
          • ๐Ÿ”ตIs Phone Verified
          • ๐Ÿ”ตIs Steam Initialized
          • ๐Ÿ”ตIs Subscribed
          • ๐Ÿ”ตIs Subscribed App
          • ๐Ÿ”ตIs Subscribed from Family Sharing
          • ๐Ÿ”ตIs Subscribed from Free Weekend
          • ๐Ÿ”ตIs Timed Trial
          • ๐Ÿ”ตIs Two Factor Enabled
          • ๐Ÿ”ตIs VAC Banned
          • ๐Ÿ”ตJoin Lobby
          • ๐Ÿ”ตLeave Lobby
          • ๐Ÿ”ตLoad Item Definitions
          • ๐Ÿ”ตLogged On
          • ๐Ÿ”ตLog Off
          • ๐Ÿ”ตLog On
          • ๐Ÿ”ตLog On Anonymous
          • ๐Ÿ”ตMark Content Corrupt
          • ๐Ÿ”ตQuick Match
          • ๐Ÿ”ตRemove Favorite Game
          • ๐Ÿ”ตRemove History Game
          • ๐Ÿ”ตRemove Property
          • ๐Ÿ”ตReply to Friend Message
          • ๐Ÿ”ตRequest Current Stats
          • ๐Ÿ”ตRequest Eligible Promo Item Definitions IDs
          • ๐Ÿ”ตRequest Friend Rich Presence
          • ๐Ÿ”ตRequest Lobby Data
          • ๐Ÿ”ตRequest Lobby List
          • ๐Ÿ”ตRequest Prices
          • ๐Ÿ”ตRequest Store Auth URL
          • ๐Ÿ”ตRequest User Group Status
          • ๐Ÿ”ตRequest User Information
          • ๐Ÿ”ตRequest User Stats
          • ๐Ÿ”ตReset All Stats
          • ๐Ÿ”ตRun Callbacks
          • ๐Ÿ”ตSecure
          • ๐Ÿ”ตSend Lobby Chat
          • ๐Ÿ”ตSerialize Result
          • ๐Ÿ”ตSet Achievement
          • ๐Ÿ”ตSet Advertise Server Active
          • ๐Ÿ”ตSet Bot Player Count
          • ๐Ÿ”ตSet Dedicated Server
          • ๐Ÿ”ตSet Description
          • ๐Ÿ”ตSet Game Data
          • ๐Ÿ”ตSet Game Tags
          • ๐Ÿ”ตSet In-Game Voice Speaking
          • ๐Ÿ”ตSet Key Value
          • ๐Ÿ”ตSet Map Name
          • ๐Ÿ”ตSet Listen for Friends Messages
          • ๐Ÿ”ตSet Lobby Data
          • ๐Ÿ”ตSet Lobby Game Server
          • ๐Ÿ”ตSet Lobby Joinable
          • ๐Ÿ”ตSet Lobby Member Data
          • ๐Ÿ”ตSet Lobby Member Limit
          • ๐Ÿ”ตSet Lobby Owner
          • ๐Ÿ”ตSet Lobby Type
          • ๐Ÿ”ตSet Max Player Count
          • ๐Ÿ”ตSet Mod Directory Name
          • ๐Ÿ”ตSet Name
          • ๐Ÿ”ตSet Password Protected
          • ๐Ÿ”ตSet Persona Name
          • ๐Ÿ”ตSet Played with User
          • ๐Ÿ”ตSet Product
          • ๐Ÿ”ตSet Property
          • ๐Ÿ”ตSet Region
          • ๐Ÿ”ตSet Rich Presence
          • ๐Ÿ”ตSet Stats
          • ๐Ÿ”ตSet Spectator Name
          • ๐Ÿ”ตSet Spectator Port
          • ๐Ÿ”ตSet User Achievement
          • ๐Ÿ”ตSet User Float Stat
          • ๐Ÿ”ตSet User Int Stat
          • ๐Ÿ”ตShutdown
          • ๐Ÿ”ตStart Purchase
          • ๐Ÿ”ตStart Update Property
          • ๐Ÿ”ตStart Voice Recording
          • ๐Ÿ”ตSteam ID Tools
          • ๐Ÿ”ตStop Voice Recording
          • ๐Ÿ”ตStore Stats
          • ๐Ÿ”ตStore User Stats
          • ๐Ÿ”ตSubmit Update Property
          • ๐Ÿ”ตTransfer Item Quantity
          • ๐Ÿ”ตTrigger Item Drop
          • ๐Ÿ”ตUninstall DLC
          • ๐Ÿ”ตUpdate Avg Rate Stat
          • ๐Ÿ”ตUpdate User Avg Rate Stat
          • ๐Ÿ”ตUpload Leaderboard Score
          • ๐Ÿ”ตUser Has License for App
          • ๐Ÿ”ตWas Restart Requested
        • Events
          • ๐Ÿ”ปDlc Installed
          • ๐Ÿ”ปFriend Chat Msg
          • ๐Ÿ”ปFriend Rich Presence Update
          • ๐Ÿ”ปGame Overlay Activated
          • ๐Ÿ”ปInventory Item Definition Update
          • ๐Ÿ”ปInventory Results Ready
          • ๐Ÿ”ปLobby Chat Msg
          • ๐Ÿ”ปLobby Chat Update
          • ๐Ÿ”ปLobby Data Update
          • ๐Ÿ”ปLobby Game Created
          • ๐Ÿ”ปLobby Join Requested
          • ๐Ÿ”ปMicro Txn Authorization Response
          • ๐Ÿ”ปPersona State Change
          • ๐Ÿ”ปRich Presence Join Requested
          • ๐Ÿ”ปServers Connected
          • ๐Ÿ”ปServer Connect Failure
          • ๐Ÿ”ปServer Disconnected
          • ๐Ÿ”ปTicket for Web API Response
        • Types
          • ๐ŸŸฉAchievement Status
          • ๐ŸŸฉAuth Ticket Data
          • ๐ŸŸฉChat Entry
          • ๐ŸŸฉDecompress Voice Result
          • ๐ŸŸฉFloat Stat
          • ๐ŸŸฉGame Server Item Wrapper
          • ๐ŸŸฉGame Server Player Details Wrapper
          • ๐ŸŸฉGlobal Achievement Status
          • ๐ŸŸฉItem Count
          • ๐ŸŸฉItem Detail
          • ๐ŸŸฉItem Detail With Properties
          • ๐ŸŸฉItem Price
          • ๐ŸŸฉItem With Price
          • ๐ŸŸฉInt Stat
          • ๐ŸŸฉKey Value Pair
          • ๐ŸŸฉLeaderboard Entry
          • ๐ŸŸฉLobby Data
          • ๐ŸŸฉLobby Game Server
          • ๐ŸŸฉServer Achievement Status
          • ๐ŸŸฉServer Stat Float Value
          • ๐ŸŸฉServer Stat Int Value
          • ๐ŸŸฉUser Achievement Status
          • ๐ŸŸฉVoice Result
          • ๐ŸŸฉVoice Available Result
        • Enumerators
          • ๐ŸŸจUEBeginAuthSessionResult
          • ๐ŸŸจUEChatRoomEnterResponse
          • ๐ŸŸจUEFriendFlags
          • ๐ŸŸจUEChatEntryType
          • ๐ŸŸจUEChatMemberStateChange
          • ๐ŸŸจUELeaderboardDataRequest
          • ๐ŸŸจUELeaderboardDisplayType
          • ๐ŸŸจUELeaderboardSortMethod
          • ๐ŸŸจUELobbyComparison
          • ๐ŸŸจUELobbyDistanceFilter
          • ๐ŸŸจUELobbyType
          • ๐ŸŸจUEResult
          • ๐ŸŸจUESteamCurrencyCode
          • ๐ŸŸจUEServerMode
          • ๐ŸŸจUEUserHasLicenseForAppResult
          • ๐ŸŸจUEVoiceResult
      • C++
  • Toolkit for Physics
    • Unity
      • Installation
      • Core Features
        • Ballistics Tools
        • Buoyancy Tools
        • Force Effect Framework
        • Physics Data extended
        • Verlet Integration
      • Sample Scenes
        • Fantasy Style Ballistic Simulation
        • (3D) Deterministic Bounce Prediction
        • (2D) Deterministic Bounce Prediction
        • 1 Buoyancy Example
        • 1 Force Effect Fields
        • 2 Spherical Gravity
        • 3 Multi-body Gravity
        • 1 Verlet Spring Simple Transforms
        • 2 Verlet Spring Skinned Mesh
      • API
        • Ballistics
        • Buoyancy
        • Force Effects
        • Maths
        • Mesh Tools
      • Components
        • Ballistic Aim
        • Ballistic Path Line Render
        • Ballistic Path Follow
        • Buoyant Body
        • Buoyant Body Drag
        • Constant Acceleration
        • Constant Angular Velocity
        • Constant Linear Velocity
        • Force Effect Source
          • Force Effect Direction
          • Force Effect Field
        • Force Effect Reciever
        • Physics Data
        • Surface Tool
        • Trick Shot
        • Trick Shot Line
        • Verlet Spring
      • Objects
        • Force Effect
          • Attract Effect
          • Gravity Effect
          • Repulse Effect
          • Suspend Effect
          • Tractor Effect
          • Wind Effect
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        • Verlet Hierarchy
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On this page
  • Introduction
  • Events
  • evtStartPurchaseError
  • evtStartPurchaseSuccess
  • evtOrderAuthorization
  • Fields and Attributes
  • OrderPending
  • OrderId
  • TransacitonId
  • items
  • Methods
  • Add
  • Set
  • Get
  • TotalPrice
  • TotalPriceSymbolledString
  • TotalPriceCurrencyCodeString
  • StartPurchase
  • ClearPending
  1. Toolkit for Steamworks
  2. Unity
  3. Objects
  4. Components

Item Shopping Cart Manager

More than the Epic Game Store had at launch ๐Ÿคช๐Ÿคช

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Last updated 1 year ago

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Introduction

This tool helps you manage a shopping cart like behaviour for in-game item shops working with . The tool can be used to add, set, or get items from the cart thus enabling you to add items, adjust the quantity in the cart and has features for reading the estimated total and reporting that as a string for display.

The core feature of the cart is its ability to manage an order, that is you can call StartPurchase through the cart and it will manage the process through to authorization. The idea is you would use the cart to start the purchase and listen for the result. You game should block further modification to the cart until the order is authorized or cleared.

Events

evtStartPurchaseError

public StartPurchaseError evtStartPurchaseError;

This occurs when a request to start a purchase fails and indicates the reason why it failed. The handler for this event would look like this

void HandleEvent(EResult result)
{
    //Do Work
}

The is a standard Steam API feature you can find more information on it .

evtStartPurchaseSuccess

public StartPurchaseSuccess evtStartPurchaseSuccess;

This occurs when a request to start a purchase was accepted by Steam. This does not indicate the purchase was completed simply that the request to start it was accepted. The handler for this event would look like this

void HandleEvent(SteamInventoryStartPurchaseResult_t result)
{
    //Do Work
}

evtOrderAuthorization

public OrderAuthorization evtOrderAuthorization

This occurs when Steam client notifies your game of a completed transaction and when that transaction order ID matches the pending order ID of this shopping cart. The handler for this would like this.

void HandleEvent(ItemShoppingCartManager.ItemEntry[] itemsRequested, bool authorized)
{
    //Do Work
}

Fields and Attributes

OrderPending

public bool OrderPending => get;

True if the cart is currently tracking an order. The cart will ignore attempts to add or set items or start purchase while an order is pending. If you need to you can force the cart to clear the order via the ClearPending method.

OrderId

public ulong OrderId => get;

If an order is pending this will return the ID of that order, if not it will return 0

TransacitonId

public ulong TransactionId => get;

If an order is pending this will return the ID of that transaction, if not it will return 0

items

public List<ItemShoppingCartManager.ItemEntry> items

This is a collection of the items and quantities the cart has at current. This should not be updated while an order is pending.

Methods

Add

public void Add(ItemDefinition item, int count)

Adds an item count to the items list. This is smart enough to "sum" the current amount of this item + the count you pass in. So if your cart already has 1 of this item and you add 2 more the cart will have 3 total. Adding a negative amount will reduce the quantity if the quantity reduces to zero or less the item will be removed from the list.

Set

public void Set(ItemDefinition item, int count)

Overwrites the quantity of an item in the list. This can be used to "type in" a quantity and if the value you pass in is zero or less it will remove the item from the list.

Get

public int Get(ItemDefinition item)

Reads the quantity for this item, if the item is not in the cart this will return 0.

TotalPrice

public ulong TotalPrice()

TotalPriceSymbolledString

public string TotalPriceSymbolledString()

This returns a string formatted based on the local currency code, for example "$10.99"

TotalPriceCurrencyCodeString

public string TotalPriceCurrencyCodeString()

This returns a string formatted based on the local currency code, for example "10.99 USD"

StartPurchase

public void StartPurchase()

or

public void StartPurchase(Action<SteamInventoryStartPurchaseResult_t, bool> callback)

This starts a purchase process based on the items in the cart assuming there is no pending order. You can optionally pass in a callback handler that will be invoked when the process completes.

ClearPending

public void ClearPending(bool clearCart = false)

This tells the cart to forget about what ever order is pending. This generally shouldn't be used and does not "cancel" the order as Steam sees it. Thus its still possible that the order might complete later. The shopping cart will only respond to order authorization results for orders it is tracking as pending so if you clear the order it will simply ignore the notification that it was or was not authorized.

You can optionally clear the items in the cart when doing this.

The object is a standard Steam API concept you can find more information .

Keep in mind 1 - The user may not have authorized the transaction so authorized will be false in this case. 2 - The user can modify the items requested in Steam client so the items requested argument may not correspond exactly to what the user was issued. Around the time this is raised assuming it was authorized you should also receive a event which should indicate what if any changes where made to the inventory.

This gets the raw ulong price of the sum of the items in the cart. This is the same value that would be returned for each item's value multiplied by the quantity for each item in the cart.

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Steam Inventory
EResult
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SteamInventoryStartPurcahseResult_t
here
Page cover image
CurrentPrice
Inventory Changed