Runtime data binding in UI Toolkit syncs your user interfaces to dynamic application data while the application is running.

This video shows you how to assign runtime data sources from C#, create bindings in code, and combine UI Builder workflows with dynamic runtime data.

You’ll see how UI Toolkit automatically reflects changing game state without relying on manual scripts to update UI elements.

Learn more about runtime data binding: https://on.unity.com/RuntimeDataBinding

Learn more about UI Toolkit scripting: https://on.unity.com/UIToolkitScripting

Download the QuizU sample project: https://on.unity.com/QuizUSample

[0:00] Introduction
[0:32] Static vs dynamic data
[1:04] Preparing the data
[1:49] The controller script
[5:44] Hybrid workflow: UI Builder and C#
[8:27] Versioning and change tracking
[12:26] Wrap-up

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Unity

A tutorial covering runtime data binding in Unity's UI Toolkit. It walks through three approaches: static bindings via UI Builder, programmatic bindings using the C# API with a controller script, and a hybrid approach that defines bindings in UXML while supplying data at runtime via a controller. The tutorial also covers performance optimization through versioning (IDataSourceViewHashProvider) and change tracking (INotifyBindablePropertyChanged) to ensure the UI only refreshes when data actually changes, rather than on every update cycle.

UI Toolkit runtime data binding: Dynamic data