diff --git a/src/components/splitbutton/SplitButton.d.ts b/src/components/splitbutton/SplitButton.d.ts
index f17cc9bae..57035e85f 100755
--- a/src/components/splitbutton/SplitButton.d.ts
+++ b/src/components/splitbutton/SplitButton.d.ts
@@ -1,17 +1,77 @@
-interface SplitButtonProps {
-    label?: string;
-    icon?: string;
-    model?: any[];
-    autoZIndex?: boolean;
-    baseZIndex?: number;
-    appendTo?: string;
-    class?: string;
+import { ClassComponent, GlobalComponentConstructor } from '../ts-helpers';
+import { MenuItem } from '../menuitem';
+
+type SplitButtonAppendToType = 'body' | 'self' | string | undefined;
+
+export interface SplitButtonProps {
+    /**
+     * Text of the button.
+     */
+    label?: string | undefined;
+    /**
+     * Name of the icon.
+     */
+    icon?: string | undefined;
+    /**
+     * MenuModel instance to define the overlay items.
+     */
+    model?: MenuItem[] | undefined;
+    /**
+     * Whether to automatically manage layering.
+     * Default value is true.
+     */
+    autoZIndex?: boolean | undefined;
+    /**
+     * Base zIndex value to use in layering.
+     * Default value is 0.
+     */
+    baseZIndex?: number | undefined;
+    /**
+     * A valid query selector or an HTMLElement to specify where the overlay gets attached.
+     * @see SplitButtonAppendToType
+     * Default value is true.
+     */
+    appendTo?: SplitButtonAppendToType;
+    /**
+     * Style class of the component.
+     */
+    class?: string | undefined;
+    /**
+     * Inline style of the component.
+     */
     style?: any;
 }
 
-declare class SplitButton {
-    $props: SplitButtonProps;
-    $emit(eventName: 'click', event: Event): this;
+export interface SplitButtonSlots {
 }
 
+export declare type SplitButtonEmits = {
+    /**
+     * Callback to invoke when main button is clicked.
+     * @param {Event} event - Browser event.
+     */
+    'click': (event: Event) => void;
+}
+
+declare class SplitButton extends ClassComponent<SplitButtonProps, SplitButtonSlots, SplitButtonEmits> { }
+
+declare module '@vue/runtime-core' {
+    interface GlobalComponents {
+        SplitButton: GlobalComponentConstructor<SplitButton>
+    }
+}
+
+/**
+ *
+ * SplitButton groups a set of commands in an overlay with a default command.
+ *
+ * Helper API:
+ *
+ * - [MenuItem](https://www.primefaces.org/primevue/showcase/#/menumodel)
+ *
+ * Demos:
+ *
+ * - [SplitButton](https://www.primefaces.org/primevue/showcase/#/splitbutton)
+ *
+ */
 export default SplitButton;