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hz-unity-platform-sdk

Skill200 starsChanged 53 days agoApache-2.0View on GitHub

Guides integration of the Horizon Platform SDK for Meta VR and Horizon OS Unity/C# apps — achievements, IAP, users, leaderboards, challenges, presence, notifications, abuse reporting, entitlements, asset files, application lifecycle, consent, device integrity, language packs, user age categories, and rate and review. Covers setup, initialization, API usage, data types, error handling, and best practices for all 18 public platform SDK packages.

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SKILL.md

Horizon Platform SDK - Unity/C# Integration Guide

When to Use

Use this skill when a developer:

  • Wants to integrate any Horizon Platform SDK feature in a Unity Meta VR application
  • Asks about setup, initialization, or dependencies for the Unity SDK package (com.meta.xr.sdk.platform)
  • Needs help with a specific public platform API (achievements, IAP, users, etc.) in C#
  • Is troubleshooting errors or status codes from any SDK package in Unity
  • Asks about Core.AsyncInitialize, Oculus.Platform, or platform message handling

For Android/Kotlin apps, use the hz-platform-sdk skill instead.

Quick Start

Available APIs

FeatureReferenceDescription
Abuse Reportabuse-reportListen for system Report button events, respond with in-app flow
AchievementsachievementsUnlock, track progress, and query simple/count/bitfield achievements
ApplicationapplicationGet app version, launch other apps, manage self-update downloads
Application Lifecycleapplication-lifecycleDetect launch type, handle deeplinks and invites, log results
Asset Fileasset-fileList, download, cancel, and delete downloadable asset files (DLC)
ChallengeschallengesTime-bound score competitions on top of leaderboards
ConsentconsentCheck and launch user consent flows with version bumps
Device Application Integritydevice-application-integrityVerify device and app integrity via JWT attestation
EntitlementsentitlementsMandatory anti-piracy check required for all Store apps
Group Presencegroup-presenceSet/clear presence, manage sessions, send invites, handle join intents
In-App Purchases (IAP)iapRetrieve products, purchase history, checkout flow, consume purchases
Language Packlanguage-packGet/set language packs with auto-download
LeaderboardsleaderboardsRetrieve leaderboard info, fetch/write entries with filtering
NotificationsnotificationsSend device notifications with toast, feed persistence, and action buttons
Rate and Reviewrate-and-reviewCheck eligibility and launch the system rating/review UI
Rich Presencerich-presenceSet/clear rich presence (deprecated; prefer group-presence)
User Age Categoryuser-age-categoryQuery user age group and report age categories for compliance
UsersusersRetrieve user profiles, friends, access tokens, identity verification

How to Use

  1. First, read references/common-setup.md for shared setup instructions, initialization code, Editor testing, and common patterns that apply to all APIs.
  2. Then, read the specific reference file for the API you need (e.g., references/iap.md for in-app purchases).
  3. For exact signatures, query the API index instead of guessing: metavr docs api-search "<feature> <operation>", then metavr docs api-details <entry> for the full entry.

Each reference file contains only the package-specific content: API operations, data types, examples, and package-specific notes. The common setup, initialization patterns, and coding conventions are centralized in common-setup.md to avoid duplication.

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