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SDK 0.10
SDK 0.10
  • Welcome
  • Overview
    • What is coherence?
    • How does coherence work?
    • Rooms and Worlds
    • Features and Roadmap
    • Release Notes
    • Known Issues and Troubleshooting
  • Learning coherence
    • 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
    • How to network...
      • Racing
      • Turn-based
      • First-Person Shooter
      • MMO
      • Fighting
  • Get started
    • Installation
    • Scene Setup
      • Sample UI
    • Prefab Setup: CoherenceSync
    • Local Development
      • Tips and Recommendations
    • coherence Cloud
      • Create a Free Account
      • Deploy a Replication Server
      • Share Builds
  • coherence SDK for Unity
    • Components
      • CoherenceSync
      • CoherenceMonoBridge
      • CoherenceLiveQuery
      • CoherenceTagQuery
      • Order of execution
    • Networking State Changes
      • Messaging with Commands
      • Hierarchies & Child Objects
        • Child GameObjects
        • Child CoherenceSyncs
        • Deep Child CoherenceSyncs
      • Animations
      • CoherenceSync References
      • [Sync] and [Command] Attributes
      • [OnValueSynced] Attribute
      • Supported Types
      • Player Name (Sample UI)
    • Baking (Code Generation)
    • Authority
      • Authority transfer
      • Server-authoritative setup
    • Lifetime
      • Persistence
      • Example – a global counter
    • Optimization
      • Simulation Frequency
      • Areas of Interest
      • Level of Detail (LOD)
    • Interpolation
    • 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
      • Network Connectivity
    • Client Connections
    • Rollback Networking Support
    • Floating Origin
    • CLI
  • coherence API
    • Worlds
    • Rooms
    • PlayResolver
    • DescriptorProvider
  • Developer Portal
    • Overview
    • Dashboard
    • Worlds
    • Rooms
    • Game Services
      • Account
      • Key-Value Store
      • API
        • Game account
        • Key-value store
  • Schema explained
    • Overview
    • Specification
    • Field settings
    • Archetypes
  • Additional resources
    • Community
    • SDK Upgrade Guide
    • Video Tutorials
    • Quick Samples
    • Continuous Integration
    • Unreal Engine Support
    • WebGL Support
    • Peer-to-Peer Support (P2P)
    • Pricing
    • SLA
    • Glossary
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  • Sync Attribute
  • Command Attribute

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  1. coherence SDK for Unity
  2. Networking State Changes

[Sync] and [Command] Attributes

Aside from configuring your CoherenceSync bindings from within the Configure window, it's possible to use the [Sync] and [Command] C# attributes directly on your scripts. Your prefabs will get updated to require such bindings.

Sync Attribute

Mark public fields and properties to be synchronized over the network.

[Sync]
public int health;

It's possible to migrate the variable automatically, if you decide to change its definition:

[Sync("health")]
public float hp;

Command Attribute

Mark public methods to be invoked over the network. Method return type must be void.

[Command]
public void Heal(int amount)
{
    ...
}

It's possible to migrate the command automatically, if you decide to change the method signature:

[Command("Heal", typeof(int))]
public void IncreaseHp(float hp)
{
    ...
}

Last updated 2 years ago

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