diff --git a/components/lib/api/api.d.ts b/components/lib/api/api.d.ts
index 34a4531797..5bf989b090 100644
--- a/components/lib/api/api.d.ts
+++ b/components/lib/api/api.d.ts
@@ -68,6 +68,7 @@ import { ProgressBarPassThroughOptions } from '../progressbar/progressbar';
 import { ProgressSpinnerPassThroughOptions } from '../progressspinner/progressspinner';
 import { RadioButtonPassThroughOptions } from '../radiobutton/radiobutton';
 import { RatingPassThroughOptions } from '../rating/rating';
+import { RipplePassThroughOptions } from '../ripple/ripple';
 import { RowPassThroughOptions } from '../row/row';
 import { ScrollPanelPassThroughOptions } from '../scrollpanel/scrollpanel';
 import { ScrollTopPassThroughOptions } from '../scrolltop/scrolltop';
@@ -546,6 +547,10 @@ export interface PrimeReactPTOptions {
      * Custom passthrough(pt) options for Rating.
      */
     rating?: RatingPassThroughOptions;
+    /**
+     * Custom passthrough(pt) options for Ripple.
+     */
+    ripple?: RipplePassThroughOptions;
     /**
      * Custom passthrough(pt) options for Row.
      */
diff --git a/components/lib/ripple/ripple.d.ts b/components/lib/ripple/ripple.d.ts
index 312af1234b..fddddfdd79 100644
--- a/components/lib/ripple/ripple.d.ts
+++ b/components/lib/ripple/ripple.d.ts
@@ -8,6 +8,28 @@
  *
  */
 import * as React from 'react';
+import { PassThroughOptions } from '../passthrough';
+import { PassThroughType } from '../utils';
+
+export declare type RipplePassThroughType<T> = PassThroughType<T, RipplePassThroughMethodOptions>;
+
+/**
+ * Custom passthrough(pt) option method.
+ */
+export interface RipplePassThroughMethodOptions {
+    props: RippleProps;
+}
+
+/**
+ * Custom passthrough(pt) options.
+ * @see {@link RippleProps.pt}
+ */
+export interface RipplePassThroughOptions {
+    /**
+     * Uses to pass attributes to the root's DOM element.
+     */
+    root?: RipplePassThroughType<React.HTMLAttributes<HTMLDivElement>>;
+}
 
 /**
  * Defines valid properties in Ripple component.
@@ -24,6 +46,16 @@ export interface RippleProps {
      * @defaultValue false
      */
     unstyled?: boolean;
+    /**
+     * Uses to pass attributes to DOM elements inside the component.
+     * @type {RipplePassThroughOptions}
+     */
+    pt?: RipplePassThroughOptions;
+    /**
+     * Used to configure passthrough(pt) options of the component.
+     * @type {PassThroughOptions}
+     */
+    ptOptions?: PassThroughOptions;
 }
 
 /**
diff --git a/components/lib/virtualscroller/virtualscroller.d.ts b/components/lib/virtualscroller/virtualscroller.d.ts
index 613b574dba..7e73f0cea0 100644
--- a/components/lib/virtualscroller/virtualscroller.d.ts
+++ b/components/lib/virtualscroller/virtualscroller.d.ts
@@ -514,17 +514,17 @@ export declare class VirtualScroller extends React.Component<VirtualScrollerProp
     public scrollTo(options: VirtualScrollerOptionsType): void;
     /**
      * Scroll to move to a specific item.
-     * @param {number} index - Index of item according to orientation mode.
+     * @param {number | number[]} index - Index of item according to orientation mode.
      * @param {'auto' | 'smooth'} behavior - Behavior of scroll, valid values are 'auto' and 'smooth'
      */
     public scrollToIndex(index: number | number[], behavior?: 'auto' | 'smooth'): void;
     /**
      * It is used to move the specified index into the view. It is a method that will usually be needed when keyboard support is added to the virtualScroller component.
-     * @param {number} index - Index of item according to orientation mode.
+     * @param {number | number[]} index - Index of item according to orientation mode.
      * @param {'to-start' | 'to-end'} to - Defines the location of the item in view, valid values are 'to-start' and 'to-end'.
      * @param {'auto' | 'smooth'} behavior - Behavior of scroll, valid values are 'auto' and 'smooth'
      */
-    public scrollInView(index: number | number[], to: 'to-start' | 'to-end', behavior?: 'auto' | 'smooth'): void;
+    public scrollInView(index: number | number[], to?: 'to-start' | 'to-end', behavior?: 'auto' | 'smooth'): void;
     /**
      * Returns the range of items added to the DOM.
      */