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SDK 1.2
SDK 1.2
  • Welcome
  • Overview
    • How does coherence work?
    • Rooms, Worlds and Lobbies
    • Features and Roadmap
  • Learn
    • Beginner's guide to networking
    • Package samples
    • First Steps tutorial
      • 1. Basic syncing
        • 1.2. Animation parameters
        • 1.3. Sending commands
      • 2. Physics / Authority transfer
      • 3. Areas of interest
      • 4. Parenting entities
      • 5. Complex hierarchies
      • 6. Persistence
    • Campfire project
      • Game mechanics
      • Leveraging object pooling
      • Remote interactions: Chairs
      • Remote interactions: Trees
      • A unique object with complex state
      • Custom instantiation and destruction
      • Running a server-side NPC
      • Playing audio and particles
      • A simple text chat
    • How to network [genre]…
      • Racing
      • Turn-based
      • First-Person Shooter
      • MMO
      • Fighting
    • Video tutorials
  • Get started
    • Install coherence
    • Scene Setup
      • Sample UIs
    • Prefab setup: CoherenceSync
    • Local Development
      • Local Testing via Player Builds
      • Local Testing via Unity's Multiplayer Play Mode (MPPM)
      • Local Testing via ParrelSync
    • coherence Cloud
      • Create a free account
      • Deploy a Replication Server
      • Share builds
  • coherence SDK for Unity
    • Upgrade Guide
      • Upgrade 1.1 -> 1.2
      • Upgrade 1.0 -> 1.1
      • Upgrade 0.10 -> 1.0
      • Upgrade 0.9 -> 0.10
    • Components
      • CoherenceSync
      • CoherenceBridge
      • CoherenceLiveQuery
      • CoherenceTagQuery
      • Order of execution
    • Asset Management
      • Using CoherenceSyncConfig to instantiate GameObjects locally
    • Networking State Changes
      • Supported types
      • Messaging with Commands
      • Syncing child GameObjects
      • Parenting network entities
        • Direct child CoherenceSyncs
        • Deeply-nested CoherenceSyncs
        • Nesting Prefabs at Edit time
      • Animation
      • CoherenceSync references
      • [Sync] and [Command] Attributes
      • [OnValueSynced] Attribute
      • Creating your own syncable member
      • Custom Component Actions
    • Baking (code generation)
    • Scene Management
    • Authority
      • Authority transfer
      • Server-authoritative setup
    • Lifetime
      • Persistence
      • Uniqueness
      • Example – a global counter
    • Optimization
      • Simulation Frequency
      • Areas of Interest
      • Level of Detail (LOD)
    • Profiling
    • Interpolation
    • Rigid Bodies
    • Settings
    • Simulation Frame
    • Replication Server
    • Simulators
      • Scripting: Client vs Simulator
      • Local Development
      • World Simulators
      • Room Simulators
      • Simulator Slugs
      • Multi-Room Simulators
      • Build and Publish
      • Command-line arguments
      • Load Balancing
    • Client-Hosting
    • Client Connections
    • Rollback Networking Support
    • World Origin Shifting
    • Offline gameplay
    • CLI
    • Code Stripping
    • Version Control Integration
  • Hosting & Cloud
  • coherence Cloud
    • Developer Portal
    • Dashboard
    • Worlds
    • Rooms
    • Lobbies
    • Game Services
      • Account
      • Key-Value Store
    • Using coherence Cloud in Unity
      • Worlds
      • Rooms
      • Lobbies
      • Game Services
        • Authentication Service (Player Accounts)
        • Key-value store
  • Schema explained
    • Overview
    • Specification
    • Field settings
    • Archetypes
  • coherence API reference
  • Additional resources
    • Community
    • Continuous Integration
    • Unreal Engine Support
    • WebGL Support
    • Peer-to-Peer Support (P2P)
    • Glossary
  • Credit cost & pricing
  • Known Issues and Troubleshooting
  • Release Notes
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  1. coherence SDK for Unity
  2. Networking State Changes

Syncing child GameObjects

Binding to variables and methods within the hierarchy

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If a synced Prefab has a hierarchy, you can synchronize variables, methods and component actions for any of the child GameObjects within its hierarchy.

Note: on this page we cover children GameObjects or nested Prefabs that don't have their ownCoherenceSync.

If a child object has a CoherenceSync of their own, they become an independent network entity. For that, see the .

When the Configure window is open it will show the variables, methods and component actions available for synchronization for your currently selected GameObject.

First, make sure to be editing the Prefab in Prefab Mode:

Once in Prefab Mode and with the Configure window open, shift the selection to any of the GameObjects that belong to the hierarchy.

The Configure window will be updated automatically, showing you everything that is available to be synchronized on the child GameObject:

That's it!

Syncing properties, methods and component actions on child GameObjects doesn't require any different flow than what you usually do for the root object. They all get collected and networked as part of one single network entity.

Make sure to not destroy child GameObjects that have synced properties, or you will receive a warning in the Console. To destroy a synced object, always remove the root.

(you can totally destroy children that don't have any synced property)

After your changes to GameObject, don't forget to again to rebuild the netcode for the entity.

Bake
Parenting section
Configuration window showing Open in Prefab Mode.
A Prefab Stage showing Player, and configuring a child in the hierarchy.