= {{UBIK }} Traits (Client) =
'''{{UBIK }} Traits''' provide the ability to define a dynamic list of lightweight properties for individual instances (objects). Unlike traditional {{UBIK }} Properties, which are rigidly bound to a MetaClass, instances of the same entity can possess a different list of traits.
This feature is particularly useful for data that only becomes known at runtime or varies significantly from instance to instance.
The <code>ValueAccessors</code> acts as a combined dynamic value resolver. It is the '''preferred way''' to read or edit values in the UI because of its built-in fallback logic:
# '''Trait Lookup:''' First attempts to resolve the value via a trait with the specified name.
# '''Property Fallback:''' If no trait is found, it queries a regular {{UBIK }} Property with that name.
# '''Default:''' If neither exists, it returns <code>null</code>.
* '''If the trait exists:''' The value will be overwritten.
* '''If a property exists:''' The property's value will be overwritten (if it is not locked/read-only).
* '''If neither exists:''' A new <code>TraitViewModel</code> is created and added to the UBIKContent{{UBIK}} content.
----
== Customizing / UI Integration (XAML Examples) ==
To display traits in custom XAML templates, make them editable, or create new ones, standard {{UBIK }} controls like <code>EvalExpression</code> or <code>SfListViewExt</code> are used. Here are real-world code examples to guide you:
=== 1. Pure Display of All Traits (List View) ===
[[Category:Client|Traits]]
[[Category:Mobile|Traits]]
[[Category:MAUI|Traits]]
[[Category:Mobile|Traits]]