diff --git a/api-generator/components/multiselect.js b/api-generator/components/multiselect.js
index 9d8164b4c6..c2e47e0301 100644
--- a/api-generator/components/multiselect.js
+++ b/api-generator/components/multiselect.js
@@ -304,6 +304,12 @@ const MultiSelectProps = [
         type: 'boolean',
         default: 'false',
         description: 'Defaults to the option itself as the value of an option. Overrides the optionValue prop.'
+    },
+    {
+        name: 'overlayVisible',
+        type: 'boolean',
+        default: 'false',
+        description: 'Specifies the visibility of the overlay panel.'
     }
 ];
 
diff --git a/components/doc/multiselect/apidoc.js b/components/doc/multiselect/apidoc.js
index 028285e5c2..c2c48b50d2 100644
--- a/components/doc/multiselect/apidoc.js
+++ b/components/doc/multiselect/apidoc.js
@@ -99,6 +99,12 @@ export function ApiDoc(props) {
                                 <td>null</td>
                                 <td>Inline style of the overlay panel element.</td>
                             </tr>
+                            <tr>
+                                <td>overlayVisible</td>
+                                <td>boolean</td>
+                                <td>false</td>
+                                <td>Specifies the visibility of the overlay panel.</td>
+                            </tr>
                             <tr>
                                 <td>scrollHeight</td>
                                 <td>string</td>
@@ -207,6 +213,12 @@ export function ApiDoc(props) {
                                 <td>null</td>
                                 <td>Function that gets the option and returns the content for it.</td>
                             </tr>
+                            <tr>
+                                <td>itemClassName</td>
+                                <td>string</td>
+                                <td>bull</td>
+                                <td>Style class of the items.</td>
+                            </tr>
                             <tr>
                                 <td>filterTemplate</td>
                                 <td>any</td>
@@ -319,6 +331,18 @@ export function ApiDoc(props) {
                                 <td>false</td>
                                 <td>Whether all data is selected.</td>
                             </tr>
+                            <tr>
+                                <td>inline</td>
+                                <td>boolean</td>
+                                <td>false</td>
+                                <td>Render the items panel inline.</td>
+                            </tr>
+                            <tr>
+                                <td>flex</td>
+                                <td>boolean</td>
+                                <td>false</td>
+                                <td>Use flex layout for the items panel.</td>
+                            </tr>
                         </tbody>
                     </table>
                 </div>
diff --git a/components/lib/multiselect/MultiSelect.js b/components/lib/multiselect/MultiSelect.js
index 49ee1c26db..83bd730bf4 100644
--- a/components/lib/multiselect/MultiSelect.js
+++ b/components/lib/multiselect/MultiSelect.js
@@ -538,6 +538,12 @@ export const MultiSelect = React.memo(
             ObjectUtils.combinedRefs(inputRef, props.inputRef);
         }, [inputRef, props.inputRef]);
 
+        React.useEffect(() => {
+            setTimeout(() => {
+                props.overlayVisible ? show() : hide();
+            }, 100);
+        }, [props.overlayVisible]);
+
         useUpdateEffect(() => {
             if (overlayVisibleState && hasFilter) {
                 alignOverlay();
@@ -696,6 +702,7 @@ MultiSelect.defaultProps = {
     optionLabel: null,
     optionValue: null,
     options: null,
+    overlayVisible: false,
     panelClassName: null,
     panelFooterTemplate: null,
     panelHeaderTemplate: null,
diff --git a/components/lib/multiselect/multiselect.d.ts b/components/lib/multiselect/multiselect.d.ts
old mode 100755
new mode 100644
index 2362516b45..f9688493b7
--- a/components/lib/multiselect/multiselect.d.ts
+++ b/components/lib/multiselect/multiselect.d.ts
@@ -1,9 +1,9 @@
 import * as React from 'react';
-import TooltipOptions from '../tooltip/tooltipoptions';
 import { CSSTransitionProps } from '../csstransition';
+import { SelectItemOptionsType } from '../selectitem/selectitem';
+import TooltipOptions from '../tooltip/tooltipoptions';
 import { IconType } from '../utils';
 import { VirtualScrollerProps } from '../virtualscroller';
-import { SelectItemOptionsType } from '../selectitem/selectitem';
 
 type MultiSelectOptionGroupTemplateType = React.ReactNode | ((option: any, index: number) => React.ReactNode);
 
@@ -74,67 +74,68 @@ interface MultiSelectFilterOptions {
 }
 
 export interface MultiSelectProps extends Omit<React.DetailedHTMLProps<React.InputHTMLAttributes<HTMLDivElement>, HTMLDivElement>, 'onChange' | 'ref'> {
+    appendTo?: MultiSelectAppendToType;
+    ariaLabelledBy?: string;
+    children?: React.ReactNode;
+    className?: string;
+    dataKey?: string;
+    disabled?: boolean;
+    display?: MultiSelectDisplayType;
+    dropdownIcon?: IconType<MultiSelectProps>;
+    emptyFilterMessage?: MultiSelectEmptyFilterMessageType;
+    filter?: boolean;
+    filterBy?: string;
+    filterLocale?: string;
+    filterMatchMode?: string;
+    filterPlaceholder?: string;
+    filterTemplate?: MultiSelectFilterTemplateType;
+    fixedPlaceholder?: boolean;
+    flex?: boolean;
     id?: string;
+    inline?: boolean;
+    inputId?: string;
     inputRef?: React.Ref<HTMLSelectElement>;
+    itemClassName?: string;
+    itemTemplate?: MultiSelectItemTemplateType;
+    maxSelectedLabels?: number;
     name?: string;
-    value?: any;
-    options?: SelectItemOptionsType;
-    optionLabel?: string;
-    optionValue?: string;
     optionDisabled?: MultiSelectOptionDisabledType;
-    optionGroupLabel?: string;
     optionGroupChildren?: string;
+    optionGroupLabel?: string;
     optionGroupTemplate?: MultiSelectOptionGroupTemplateType;
-    display?: MultiSelectDisplayType;
-    inline?: boolean;
-    flex?: boolean;
-    style?: React.CSSProperties;
-    className?: string;
-    itemClassName?: string;
+    optionLabel?: string;
+    optionValue?: string;
+    options?: SelectItemOptionsType;
+    overlayVisible?: boolean;
     panelClassName?: string;
+    panelFooterTemplate?: MultiSelectPanelFooterTemplateType;
+    panelHeaderTemplate?: MultiSelectPanelHeaderTemplateType;
     panelStyle?: React.CSSProperties;
-    virtualScrollerOptions?: VirtualScrollerProps;
-    scrollHeight?: string;
     placeholder?: string;
-    fixedPlaceholder?: boolean;
-    disabled?: boolean;
-    showClear?: boolean;
-    filter?: boolean;
-    filterBy?: string;
-    filterMatchMode?: string;
-    filterPlaceholder?: string;
-    filterLocale?: string;
-    emptyFilterMessage?: MultiSelectEmptyFilterMessageType;
+    removeIcon?: IconType<MultiSelectProps>;
     resetFilterOnHide?: boolean;
+    scrollHeight?: string;
+    selectAll?: boolean;
+    selectedItemTemplate?: MultiSelectSelectedItemTemplateType;
+    selectedItemsLabel?: string;
+    selectionLimit?: number;
+    showClear?: boolean;
+    showSelectAll?: boolean;
+    style?: React.CSSProperties;
     tabIndex?: number;
-    dataKey?: string;
-    inputId?: string;
-    appendTo?: MultiSelectAppendToType;
     tooltip?: string;
     tooltipOptions?: TooltipOptions;
-    maxSelectedLabels?: number;
-    selectionLimit?: number;
-    selectedItemsLabel?: string;
-    ariaLabelledBy?: string;
-    itemTemplate?: MultiSelectItemTemplateType;
-    filterTemplate?: MultiSelectFilterTemplateType;
-    selectedItemTemplate?: MultiSelectSelectedItemTemplateType;
-    panelHeaderTemplate?: MultiSelectPanelHeaderTemplateType;
-    panelFooterTemplate?: MultiSelectPanelFooterTemplateType;
     transitionOptions?: CSSTransitionProps;
-    dropdownIcon?: IconType<MultiSelectProps>;
-    removeIcon?: IconType<MultiSelectProps>;
-    showSelectAll?: boolean;
-    selectAll?: boolean;
+    useOptionAsValue?: boolean;
+    value?: any;
+    virtualScrollerOptions?: VirtualScrollerProps;
+    onBlur?(event: React.FocusEvent<HTMLInputElement>): void;
     onChange?(e: MultiSelectChangeParams): void;
+    onFilter?(e: MultiSelectFilterParams): void;
     onFocus?(event: React.FocusEvent<HTMLInputElement>): void;
-    onBlur?(event: React.FocusEvent<HTMLInputElement>): void;
-    onShow?(): void;
     onHide?(): void;
-    onFilter?(e: MultiSelectFilterParams): void;
     onSelectAll?(e: MultiSelectAllParams): void;
-    children?: React.ReactNode;
-    useOptionAsValue?: boolean;
+    onShow?(): void;
 }
 
 export declare class MultiSelect extends React.Component<MultiSelectProps, any> {