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Extensions can add actions to Klyx’s toolbar. Each action has an ID, label, icon, category, priority, and click handler.

ToolbarRegistry

Register toolbar actions during onLoad().

Register an action

Unregister an action

List all actions

ToolbarAction fields

ToolbarIcon

ToolbarCategory

Pre-defined categories in the companion object: Custom categories are also supported:
Last modified on July 11, 2026