diff --git a/src/components/blockui/BlockUI.d.ts b/src/components/blockui/BlockUI.d.ts
index eb2652069..2e5654ca7 100755
--- a/src/components/blockui/BlockUI.d.ts
+++ b/src/components/blockui/BlockUI.d.ts
@@ -1,19 +1,60 @@
 import { VNode } from 'vue';
+import { ClassComponent, GlobalComponentConstructor } from '../ts-helpers';
 
-interface BlockUIProps {
-    blocked?: boolean;
-    fullScreen?: boolean;
-    baseZIndex?: number;
-    autoZIndex?: boolean;
+export interface BlockUIProps {
+    /**
+     * Controls the blocked state.
+     */
+    blocked?: boolean | undefined;
+    /**
+     * When enabled, the whole document gets blocked.
+     */
+    fullScreen?: boolean | undefined;
+    /**
+     * Base zIndex value to use in layering.
+     * Default value is 0.
+     */
+    baseZIndex?: number | undefined;
+    /**
+     * Whether to automatically manage layering.
+     * Default value is true.
+     */
+    autoZIndex?: boolean | undefined;
 }
 
-declare class BlockUI {
-    $props: BlockUIProps;
-    $emit(eventName: 'block'): this;
-    $emit(eventName: 'unblock'): this;
-    $slots: {
-        '': VNode[];
+export interface BlockUISlots {
+    /**
+     * Custom content's slot.
+     */
+     default: () => VNode[];
+}
+
+export declare type BlockUIEmits = {
+    /**
+     * Fired when the element gets blocked.
+     */
+    'block': () => void;
+    /**
+     * Fired when the element gets unblocked.
+     */
+    'unblock': () => void;
+}
+
+declare class BlockUI extends ClassComponent<BlockUIProps, BlockUISlots, BlockUIEmits> { }
+
+declare module '@vue/runtime-core' {
+    interface GlobalComponents {
+        BlockUI: GlobalComponentConstructor<BlockUI>
     }
 }
 
+/**
+ *
+ * BlockUI can either block other components or the whole page.
+ *
+ * Demos:
+ *
+ * - [BlockUI](https://www.primefaces.org/primevue/showcase/#/blockui)
+ *
+ */
 export default BlockUI;