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types/UIShell/HeaderAction.svelte.d.ts

@@ -31,6 +31,20 @@ type $Props = {
    */
   text?: string;
 
+  /**
+   * Specify an icon tooltip.
+   * This only works if `text` or a named slot "text" is not provided.
+   * @default undefined
+   */
+  iconDescription?: string;
+
+  /**
+   * Set the alignment of the tooltip relative to the icon.
+   * This only works if `iconDescription` is provided.
+   * @default "center"
+   */
+  tooltipAlignment?: "start" | "center" | "end";
+
   /**
    * Obtain a reference to the button HTML element
    * @default null