diff --git a/src/components/scrolltop/ScrollTop.d.ts b/src/components/scrolltop/ScrollTop.d.ts
index 2c6381fb4..79cb5b306 100644
--- a/src/components/scrolltop/ScrollTop.d.ts
+++ b/src/components/scrolltop/ScrollTop.d.ts
@@ -1,12 +1,52 @@
-interface ScrollTopProps {
-    target?: string;
-    threshold?: number;
-    icon?: string;
-    behavior?: string;
+import { ClassComponent, GlobalComponentConstructor } from '../ts-helpers';
+
+type ScrollTopTargetType = 'window' | 'parent';
+
+export interface ScrollTopProps {
+    /**
+     * Target of the ScrollTop.
+     * @see ScrollTopTargetType
+     * Default value is 'window'.
+     */
+    target?: ScrollTopTargetType;
+    /**
+     * Defines the threshold value of the vertical scroll position of the target to toggle the visibility.
+     * Default value is 400.
+     */
+    threshold?: number | undefined;
+    /**
+     * Icon to display.
+     * Default value is 'pi pi-chevron-up'.
+     */
+    icon?: string | undefined;
+    /**
+     * Defines the scrolling behaviour, "smooth" adds an animation and "auto" scrolls with a jump.
+     * Default value is 'smooth'.
+     */
+    behavior?: string | undefined;
 }
 
-declare class ScrollTop {
-    $props: ScrollTopProps;
+export interface ScrollTopSlots {
 }
 
+export declare type ScrollTopEmits = {
+}
+
+declare class ScrollTop extends ClassComponent<ScrollTopProps, ScrollTopSlots, ScrollTopEmits> { }
+
+declare module '@vue/runtime-core' {
+    interface GlobalComponents {
+        ScrollTop: GlobalComponentConstructor<ScrollTop>
+    }
+}
+
+/**
+ *
+ * ScrollTop gets displayed after a certain scroll position and used to navigates to the top of the page quickly.
+ *
+ * Demos:
+ *
+ * - [ScrollTop](https://www.primefaces.org/primevue/showcase/#/scrolltop)
+ *
+ */
 export default ScrollTop;