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Addon
Extend the web client with addons – layout components, dashboard, background functions and the addon API.
KONZEPT DEVELOPER UPDATED: JUL 2026 APPLIES TO NUCLOS 4.2026.X
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With addons, the web client can be extended with (project-specific) functions that should not become part of the Nuclos core.
Advantages
- leaner web client, better performance;
- easily removable – no legacy code;
- clearly defined interfaces foster modularity;
- customer-specific extensions and use of non-open-source libraries possible.
Use cases
- layout addon: new GUI components in the layout of a detail form;
- addons in the dashboard or the result list;
- (hidden) background functions reacting to user interactions (similar to Groovy rules for calculated attributes in the Java client).
Accessing the context
Via a defined API, addons access data and functions of the web client, e.g. the layout context:
Fehler beim Rendern des Makros 'code': Ungültiger Wert für den Parameter 'com.atlassian.confluence.ext.code.render.InvalidValueException'
@Inject(LAYOUT_CONTEXT) private layoutContext: LayoutContext;
// ...
this.layoutContext.getAddonProperty('someProperty');Development
The development environment for addons is described in JS web client development environment (package @nuclos/nuclos-addon-api).
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