diff --git a/api-generator/components/confirmdialog.js b/api-generator/components/confirmdialog.js
index 310d06ab7..2d1c38d98 100644
--- a/api-generator/components/confirmdialog.js
+++ b/api-generator/components/confirmdialog.js
@@ -13,10 +13,18 @@ const ConfirmDialogProps = [
     }
 ];
 
+const ConfirmDialogSlots = [
+    {
+        name: "message",
+        description: "Custom content for the component."
+    }
+];
+
 module.exports = {
     confirmdialog: {
         name: "ConfirmDialog",
         description: "ConfirmDialog uses a Dialog UI that is integrated with the Confirmation API.",
-        props: ConfirmDialogProps
+        props: ConfirmDialogProps,
+        slots: ConfirmDialogSlots
     }
 };
diff --git a/src/components/confirmdialog/ConfirmDialog.d.ts b/src/components/confirmdialog/ConfirmDialog.d.ts
index 391217e49..f2131a330 100644
--- a/src/components/confirmdialog/ConfirmDialog.d.ts
+++ b/src/components/confirmdialog/ConfirmDialog.d.ts
@@ -1,4 +1,6 @@
+import { VNode } from 'vue';
 import { ClassComponent, GlobalComponentConstructor } from '../ts-helpers';
+import { ConfirmationOptions } from '../confirmationoptions';
 
 export interface ConfirmDialogBreakpoints {
     /**
@@ -32,6 +34,13 @@ export interface ConfirmDialogProps {
 }
 
 export interface ConfirmDialogSlots {
+    /**
+     * Custom message template.
+     * @param {Object} scope - message slot's params.
+     */
+    message: (scope: {
+        message: ConfirmationOptions;
+    }) => VNode[];
 }
 
 export declare type ConfirmDialogEmits = {
diff --git a/src/views/confirmdialog/ConfirmDialogDoc.vue b/src/views/confirmdialog/ConfirmDialogDoc.vue
index 03b68c9e5..e7651994a 100644
--- a/src/views/confirmdialog/ConfirmDialogDoc.vue
+++ b/src/views/confirmdialog/ConfirmDialogDoc.vue
@@ -278,7 +278,7 @@ export default {
 			</table>
 		</div>
 
-         <h5>Slots</h5>
+        <h5>Slots</h5>
 		<div class="doc-tablewrapper">
 			<table class="doc-table">
 				<thead>