diff --git a/src/components/selectbutton/SelectButton.d.ts b/src/components/selectbutton/SelectButton.d.ts
index a2e57e738..f9b9a3ca6 100755
--- a/src/components/selectbutton/SelectButton.d.ts
+++ b/src/components/selectbutton/SelectButton.d.ts
@@ -1,33 +1,117 @@
+import { VNode } from 'vue';
+import { ClassComponent, GlobalComponentConstructor } from '../ts-helpers';
+
 type SelectButtonOptionLabelType = string | ((data: any) => string) | undefined;
+
 type SelectButtonOptionValueType = string | ((data: any) => any) | undefined;
+
 type SelectButtonOptionDisabledType = string | ((data: any) => boolean) | undefined;
 
-interface SelectButtonProps {
+export interface SelectButtonChangeEvent {
+    /**
+     * Browser event.
+     */
+    originalEvent: Event;
+    /**
+     * Single value or an array of values that are selected.
+     */
+    value: any;
+}
+
+export interface SelectButtonProps {
+    /**
+     * Value of the component.
+     */
     modelValue?: any;
-    options?: any[];
+    /**
+     * An array of selectitems to display as the available options.
+     */
+    options?: any[] | undefined;
+    /**
+     * Property name or getter function to use as the label of an option.
+     */
     optionLabel?: SelectButtonOptionLabelType;
+    /**
+     * Property name or getter function to use as the value of an option, defaults to the option itself when not defined.
+     */
     optionValue?: SelectButtonOptionValueType;
+    /**
+     * Property name or getter function to use as the disabled flag of an option, defaults to false when not defined.
+     */
     optionDisabled?: SelectButtonOptionDisabledType;
-    multiple?: boolean;
-    disabled?: boolean;
-    dataKey?: string;
-    ariaLabelledBy?: string;
+    /**
+     * When specified, allows selecting multiple values.
+     */
+    multiple?: boolean | undefined;
+    /**
+     * When present, it specifies that the element should be disabled.
+     */
+    disabled?: boolean | undefined;
+    /**
+     * A property to uniquely identify an option.
+     */
+    dataKey?: string | undefined;
+    /**
+     * Establishes relationships between the component and label(s) where its value should be one or more element IDs.
+     */
+    ariaLabelledBy?: string | undefined;
 }
 
-interface SelectButtonOptionSlotInterface {
-    option: any;
-    index: number;
+export interface SelectButtonSlots {
+    /**
+     * Custom content for each option.
+     * @param {Object} scope - option slot's params.
+     */
+    option: (scope: {
+        /**
+         * Option instance
+         */
+        option: any;
+        /**
+         * Index of the option
+         */
+        index: number;
+    }) => VNode[];
 }
 
-declare class SelectButton {
-    $props: SelectButtonProps;
-    $emit(eventName: 'update:modelValue', value: any): this;
-    $emit(eventName: 'change', event: {originalEvent: Event, value: any}): this;
-    $emit(eventName: 'focus', event: Event): this;
-    $emit(eventName: 'blur', event: Event): this;
-    $slots: {
-        option: SelectButtonOptionSlotInterface;
+export declare type SelectButtonEmits = {
+    /**
+     * Emitted when the value changes.
+     * @param {*} value - New value.
+     */
+    'update:modelValue': (value: any) => void;
+    /**
+     * Callback to invoke on value change.
+     * @param {SelectButtonChangeEvent} event - Custom change event.
+     */
+    'change': (event: SelectButtonChangeEvent) => void;
+    /**
+     * Callback to invoke on focus.
+     * @param {SelectButtonChangeEvent} event - Browser event.
+     */
+    'focus': (event: Event) => void;
+    /**
+     * Callback to invoke on blur.
+     * @param {Event} event - Browser event.
+     */
+    'blur': (event: Event) => void;
+}
+
+declare class SelectButton extends ClassComponent<SelectButtonProps, SelectButtonSlots, SelectButtonEmits> { }
+
+declare module '@vue/runtime-core' {
+    interface GlobalComponents {
+        SelectButton: GlobalComponentConstructor<SelectButton>
     }
 }
 
+/**
+ *
+ * SelectButton is a form component to choose a value from a list of options using button elements.
+ *
+ * Demos:
+ *
+ * - [SelectButton](https://www.primefaces.org/primevue/showcase/#/selectbutton)
+ *
+ */
 export default SelectButton;