docs(user): improve documentation on promoted attributes

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Elian Doran
2025-11-15 15:25:36 +02:00
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@@ -12,19 +12,30 @@ In Trilium, attributes are key-value pairs assigned to notes, providing addition
These attributes play a crucial role in organizing, categorizing, and enhancing the functionality of notes.
## Types of attributes
Conceptually there are two types of attributes (applying to both labels and relations):
1. **System attributes**
As the name suggest, these attributes have a special meaning since they are interpreted by Trilium. For example the `color` attribute will change the color of the note as displayed in the <a class="reference-link" href="../Basic%20Concepts%20and%20Features/UI%20Elements/Note%20Tree.md">Note Tree</a> and links, and `iconClass` will change the icon of a note.
2. **User-defined attributes**
These are free-form labels or relations that can be used by the user. They can be used purely for categorization purposes (especially if combined with <a class="reference-link" href="../Basic%20Concepts%20and%20Features/Navigation/Search.md">Search</a>), or they can be given meaning through the use of <a class="reference-link" href="../Scripting.md">Scripting</a>.
In practice, Trilium makes no direct distinction of whether an attribute is a system one or a user-defined one. A label or relation is considered a system attribute if it matches one of the built-in names (e.g. like the aforementioned `iconClass`). Keep this in mind when creating  <a class="reference-link" href="Attributes/Promoted%20Attributes.md">Promoted Attributes</a> in order not to accidentally alter a system attribute (unless intended).
## Viewing the list of attributes
Both the labels and relations for the current note are displayed in the _Owned Attributes_ section of the <a class="reference-link" href="../Basic%20Concepts%20and%20Features/UI%20Elements/Ribbon.md">Ribbon</a>, where they can be viewed and edited. Inherited attributes are displayed in the _Inherited Attributes_ section of the ribbon, where they can only be viewed.
In the list of attributes, labels are prefixed with the `#` character whereas relations are prefixed with the `~` character.
## Multiplicity
Attributes in Trilium can be "multi-valued", meaning multiple attributes with the same name can co-exist.
## Attribute Definitions and Promoted Attributes
Special labels create "label/attribute" definitions, enhancing the organization and management of attributes. For more details, see <a class="reference-link" href="Attributes/Promoted%20Attributes.md">Promoted Attributes</a>.
<a class="reference-link" href="Attributes/Promoted%20Attributes.md">Promoted Attributes</a> create a form-like editing experience for attributes, which makes it easy to enhancing the organization and management of attributes
## Multiplicity
Attributes in Trilium can be "multi-valued", meaning multiple attributes with the same name can co-exist. This can be combined with <a class="reference-link" href="Attributes/Promoted%20Attributes.md">Promoted Attributes</a> to easily add them.
## Attribute Inheritance