diff --git a/components/lib/confirmdialog/ConfirmDialog.d.ts b/components/lib/confirmdialog/ConfirmDialog.d.ts
index 3df07c9ec..db441d93f 100644
--- a/components/lib/confirmdialog/ConfirmDialog.d.ts
+++ b/components/lib/confirmdialog/ConfirmDialog.d.ts
@@ -222,16 +222,31 @@ export interface ConfirmDialogSlots {
         message: any;
         /**
          * Close dialog function.
+         * @deprecated since v3.39.0. Use 'closeCallback' property instead.
          */
         onClose: () => void;
         /**
          * Accept function of the component
+         * @deprecated since v3.39.0. Use 'acceptCallback' property instead.
          */
         onAccept: () => void;
         /**
          * Reject function of the component
+         * @deprecated since v3.39.0. Use 'rejectCallback' property instead.
          */
         onReject: () => void;
+        /**
+         * Close dialog function.
+         */
+        closeCallback: () => void;
+        /**
+         * Accept function of the component
+         */
+        acceptCallback: () => void;
+        /**
+         * Reject function of the component
+         */
+        rejectCallback: () => void;
     }): VNode[];
 }
 
diff --git a/components/lib/confirmdialog/ConfirmDialog.vue b/components/lib/confirmdialog/ConfirmDialog.vue
index 904e5f7d3..e8cd24b8d 100644
--- a/components/lib/confirmdialog/ConfirmDialog.vue
+++ b/components/lib/confirmdialog/ConfirmDialog.vue
@@ -15,7 +15,7 @@
         :unstyled="unstyled"
     >
         <template v-if="$slots.container" #container="slotProps">
-            <slot name="container" :message="confirmation" :onClose="slotProps.onClose" :onAccept="accept" :onReject="reject" />
+            <slot name="container" :message="confirmation" :onClose="slotProps.onClose" :onAccept="accept" :onReject="reject" :closeCallback="slotProps.onclose" :acceptCallback="accept" :rejectCallback="reject" />
         </template>
         <template v-if="!$slots.container">
             <template v-if="!$slots.message">
diff --git a/components/lib/confirmpopup/ConfirmPopup.d.ts b/components/lib/confirmpopup/ConfirmPopup.d.ts
index bcab36bf2..f90621363 100644
--- a/components/lib/confirmpopup/ConfirmPopup.d.ts
+++ b/components/lib/confirmpopup/ConfirmPopup.d.ts
@@ -176,12 +176,22 @@ export interface ConfirmPopupSlots {
         message: any;
         /**
          * Accept function of the component
+         * @deprecated since v3.39.0. Use 'acceptCallback' property instead.
          */
         onAccept: () => void;
         /**
          * Reject function of the component
+         * @deprecated since v3.39.0. Use 'rejectCallback' property instead.
          */
         onReject: () => void;
+        /**
+         * Accept function of the component
+         */
+        acceptCallback: () => void;
+        /**
+         * Reject function of the component
+         */
+        rejectCallback: () => void;
     }): VNode[];
 }
 
diff --git a/components/lib/confirmpopup/ConfirmPopup.vue b/components/lib/confirmpopup/ConfirmPopup.vue
index 4efd3a2a3..0febdea40 100644
--- a/components/lib/confirmpopup/ConfirmPopup.vue
+++ b/components/lib/confirmpopup/ConfirmPopup.vue
@@ -2,7 +2,7 @@
     <Portal>
         <transition name="p-confirm-popup" @enter="onEnter" @after-enter="onAfterEnter" @leave="onLeave" @after-leave="onAfterLeave" v-bind="ptm('transition')">
             <div v-if="visible" :ref="containerRef" v-focustrap role="alertdialog" :class="cx('root')" :aria-modal="visible" @click="onOverlayClick" @keydown="onOverlayKeydown" v-bind="{ ...$attrs, ...ptm('root') }">
-                <slot v-if="$slots.container" name="container" :message="confirmation" :onAccept="accept" :onReject="reject"></slot>
+                <slot v-if="$slots.container" name="container" :message="confirmation" :onAccept="accept" :onReject="reject" :acceptCallback="accept" :rejectCallback="reject"></slot>
                 <template v-else>
                     <template v-if="!$slots.message">
                         <div :class="cx('content')" v-bind="ptm('content')">
diff --git a/components/lib/dialog/Dialog.d.ts b/components/lib/dialog/Dialog.d.ts
index 2a553f8e9..1536360ee 100755
--- a/components/lib/dialog/Dialog.d.ts
+++ b/components/lib/dialog/Dialog.d.ts
@@ -339,13 +339,24 @@ export interface DialogSlots {
     container(scope: {
         /**
          * Close dialog function.
+         * @deprecated since v3.39.0. Use 'closeCallback' property instead.
          */
         onClose: () => void;
         /**
          * Maximize/minimize dialog function.
          * @param {Event} event - Browser event
+         * @deprecated since v3.39.0. Use 'maximizeCallback' property instead.
          */
         onMaximize: (event: Event) => void;
+        /**
+         * Close dialog function.
+         */
+        closeCallback: () => void;
+        /**
+         * Maximize/minimize dialog function.
+         * @param {Event} event - Browser event
+         */
+        maximizeCallback: (event: Event) => void;
     }): VNode[];
 }
 
diff --git a/components/lib/dialog/Dialog.vue b/components/lib/dialog/Dialog.vue
index 253cab11c..6646e305f 100755
--- a/components/lib/dialog/Dialog.vue
+++ b/components/lib/dialog/Dialog.vue
@@ -3,7 +3,7 @@
         <div v-if="containerVisible" :ref="maskRef" :class="cx('mask')" :style="sx('mask', true, { position, modal })" @click="onMaskClick" v-bind="ptm('mask')">
             <transition name="p-dialog" @before-enter="onBeforeEnter" @enter="onEnter" @before-leave="onBeforeLeave" @leave="onLeave" @after-leave="onAfterLeave" appear v-bind="ptm('transition')">
                 <div v-if="visible" :ref="containerRef" v-focustrap="{ disabled: !modal }" :class="cx('root')" :style="sx('root')" role="dialog" :aria-labelledby="ariaLabelledById" :aria-modal="modal" v-bind="{ ...$attrs, ...ptm('root') }">
-                    <slot v-if="$slots.container" name="container" :onClose="close" :onMaximize="(event) => maximize(event)"></slot>
+                    <slot v-if="$slots.container" name="container" :onClose="close" :onMaximize="(event) => maximize(event)" :closeCallback="close" :maximizeCallback="(event) => maximize(event)"></slot>
                     <template v-else>
                         <div v-if="showHeader" :ref="headerContainerRef" :class="cx('header')" @mousedown="initDrag" v-bind="ptm('header')">
                             <slot name="header" :class="cx('headerTitle')">
diff --git a/components/lib/message/Message.d.ts b/components/lib/message/Message.d.ts
index 0944aab4b..a255e47a6 100755
--- a/components/lib/message/Message.d.ts
+++ b/components/lib/message/Message.d.ts
@@ -195,8 +195,13 @@ export interface MessageSlots {
     container(scope: {
         /**
          * Close message function.
+         * @deprecated since v3.39.0. Use 'closeCallback' property instead.
          */
         onClose: () => void;
+        /**
+         * Close message function.
+         */
+        closeCallback: () => void;
     }): VNode[];
 }
 
diff --git a/components/lib/message/Message.vue b/components/lib/message/Message.vue
index 2e66bd6e2..e698a2201 100755
--- a/components/lib/message/Message.vue
+++ b/components/lib/message/Message.vue
@@ -1,7 +1,7 @@
 <template>
     <transition name="p-message" appear v-bind="ptm('transition')">
         <div v-show="visible" :class="cx('root')" role="alert" aria-live="assertive" aria-atomic="true" v-bind="ptm('root')" data-pc-name="message">
-            <slot v-if="$slots.container" name="container" :onClose="close"></slot>
+            <slot v-if="$slots.container" name="container" :onClose="close" :closeCallback="close"></slot>
             <div v-else :class="cx('wrapper')" v-bind="ptm('wrapper')">
                 <slot name="messageicon" class="p-message-icon">
                     <component :is="icon ? 'span' : iconComponent" :class="[cx('icon'), icon]" v-bind="ptm('icon')"></component>
diff --git a/components/lib/overlaypanel/OverlayPanel.d.ts b/components/lib/overlaypanel/OverlayPanel.d.ts
index 567f94f0f..b42a64b97 100755
--- a/components/lib/overlaypanel/OverlayPanel.d.ts
+++ b/components/lib/overlaypanel/OverlayPanel.d.ts
@@ -203,13 +203,24 @@ export interface OverlayPanelEmits {
     container(scope: {
         /**
          * Close overlay panel function.
+         * @deprecated since v3.39.0. Use 'closeCallback' property instead.
          */
         onClose: () => void;
         /**
          * Close button keydown function.
          * @param {Event} event - Browser event
+         * @deprecated since v3.39.0. Use 'keydownCallback' property instead.
          */
         onKeydown: (event: Event) => void;
+        /**
+         * Close overlay panel function.
+         */
+        closeCallback: () => void;
+        /**
+         * Close button keydown function.
+         * @param {Event} event - Browser event
+         */
+        keydownCallback: (event: Event) => void;
     }): VNode[];
 }
 
diff --git a/components/lib/overlaypanel/OverlayPanel.vue b/components/lib/overlaypanel/OverlayPanel.vue
index b25749a80..e268fab2f 100755
--- a/components/lib/overlaypanel/OverlayPanel.vue
+++ b/components/lib/overlaypanel/OverlayPanel.vue
@@ -2,7 +2,7 @@
     <Portal :appendTo="appendTo">
         <transition name="p-overlaypanel" @enter="onEnter" @leave="onLeave" @after-leave="onAfterLeave" v-bind="ptm('transition')">
             <div v-if="visible" :ref="containerRef" v-focustrap role="dialog" :aria-modal="visible" @click="onOverlayClick" :class="cx('root')" v-bind="{ ...$attrs, ...ptm('root') }">
-                <slot v-if="$slots.container" name="container" :onClose="hide" :onKeydown="(event) => onButtonKeydown(event)"></slot>
+                <slot v-if="$slots.container" name="container" :onClose="hide" :onKeydown="(event) => onButtonKeydown(event)" :closeCallback="hide" :keydownCallback="(event) => onButtonKeydown(event)"></slot>
                 <template v-else>
                     <div :class="cx('content')" @click="onContentClick" @mousedown="onContentClick" @keydown="onContentKeydown" v-bind="ptm('content')">
                         <slot></slot>
diff --git a/components/lib/sidebar/Sidebar.d.ts b/components/lib/sidebar/Sidebar.d.ts
index 993f05820..69d07c727 100755
--- a/components/lib/sidebar/Sidebar.d.ts
+++ b/components/lib/sidebar/Sidebar.d.ts
@@ -195,8 +195,13 @@ export interface SidebarSlots {
     container(scope: {
         /**
          * Close sidebar function.
+         * @deprecated since v3.39.0. Use 'closeCallback' property instead.
          */
         onClose: () => void;
+        /**
+         * Close sidebar function.
+         */
+        closeCallback: () => void;
     }): VNode[];
 }
 
diff --git a/components/lib/sidebar/Sidebar.vue b/components/lib/sidebar/Sidebar.vue
index a0ab8caed..7d0a27e9d 100755
--- a/components/lib/sidebar/Sidebar.vue
+++ b/components/lib/sidebar/Sidebar.vue
@@ -3,7 +3,7 @@
         <div v-if="containerVisible" :ref="maskRef" @mousedown="onMaskClick" :class="cx('mask')" :style="sx('mask', true, { position })" v-bind="ptm('mask')">
             <transition name="p-sidebar" @enter="onEnter" @after-enter="onAfterEnter" @before-leave="onBeforeLeave" @leave="onLeave" @after-leave="onAfterLeave" appear v-bind="ptm('transition')">
                 <div v-if="visible" :ref="containerRef" v-focustrap :class="cx('root')" role="complementary" :aria-modal="modal" @keydown="onKeydown" v-bind="{ ...$attrs, ...ptm('root') }">
-                    <slot v-if="$slots.container" name="container" :onClose="hide"></slot>
+                    <slot v-if="$slots.container" name="container" :onClose="hide" :closeCallback="hide"></slot>
                     <template v-else>
                         <div :ref="headerContainerRef" :class="cx('header')" v-bind="ptm('header')">
                             <div v-if="$slots.header" :class="cx('headerContent')" v-bind="ptm('headerContent')">
diff --git a/components/lib/toast/Toast.d.ts b/components/lib/toast/Toast.d.ts
index 3210fc916..b23152280 100755
--- a/components/lib/toast/Toast.d.ts
+++ b/components/lib/toast/Toast.d.ts
@@ -305,8 +305,13 @@ export interface ToastSlots {
         message: any;
         /**
          * Close toast function
+         * @deprecated since v3.39.0. Use 'closeCallback' property instead.
          */
         onClose: () => void;
+        /**
+         * Close sidebar function.
+         */
+        closeCallback: () => void;
     }): VNode[];
 }
 
diff --git a/components/lib/toast/ToastMessage.vue b/components/lib/toast/ToastMessage.vue
index dcbe628ab..66685dc14 100755
--- a/components/lib/toast/ToastMessage.vue
+++ b/components/lib/toast/ToastMessage.vue
@@ -1,6 +1,6 @@
 <template>
     <div :class="[cx('container'), message.styleClass]" role="alert" aria-live="assertive" aria-atomic="true" v-bind="ptm('container')">
-        <component v-if="templates.container" :is="templates.container" :message="message" :onClose="onCloseClick" />
+        <component v-if="templates.container" :is="templates.container" :message="message" :onClose="onCloseClick" :closeCallback="onCloseClick" />
         <div v-else :class="[cx('content'), message.contentStyleClass]" v-bind="ptm('content')">
             <template v-if="!templates.message">
                 <component :is="templates.icon ? templates.icon : iconComponent && iconComponent.name ? iconComponent : 'span'" :class="cx('icon')" v-bind="ptm('icon')" />