diff --git a/components/confirmationoptions/ConfirmationOptions.d.ts b/components/confirmationoptions/ConfirmationOptions.d.ts
index 74a377ea0..78d4195a4 100644
--- a/components/confirmationoptions/ConfirmationOptions.d.ts
+++ b/components/confirmationoptions/ConfirmationOptions.d.ts
@@ -1,5 +1,16 @@
-type ConfirmationPositionType = 'center' | 'top' | 'bottom' | 'left' | 'right' | 'topleft' | 'topright' | 'bottomleft' | 'bottomright' | undefined;
+/**
+ *
+ * [Live Demo](https://www.primevue.org/confirmdialog/)
+ *
+ * @module confirmationoptions
+ *
+ */
 
+/**
+ * Confirmation Service options.
+ *
+ * @group Interfaces
+ */
 export interface ConfirmationOptions {
     /**
      * Element to align the overlay.
@@ -18,11 +29,10 @@ export interface ConfirmationOptions {
      */
     group?: string | undefined;
     /**
-     * Position of the dialog, options are 'center', 'top', 'bottom', 'left', 'right', 'topleft', 'topright', 'bottomleft' or 'bottomright'.
-     * @see ConfirmationPositionType
-     * Default value is 'center'.
+     * Position of the dialog.
+     * @defaultValue 'center'
      */
-    position?: ConfirmationPositionType;
+    position?: 'center' | 'top' | 'bottom' | 'left' | 'right' | 'topleft' | 'topright' | 'bottomleft' | 'bottomright' | undefined;
     /**
      * Icon to display next to the message.
      */
@@ -34,15 +44,15 @@ export interface ConfirmationOptions {
     /**
      * Callback to execute when action is confirmed.
      */
-    accept?: () => void;
+    accept?(): void;
     /**
      * Callback to execute when action is rejected.
      */
-    reject?: () => void;
+    reject?(): void;
     /**
      * Callback to execute when dialog is hidden.
      */
-    onHide?: () => void;
+    onHide?(): void;
     /**
      * Label of the accept button. Defaults to PrimeVue Locale configuration.
      */
diff --git a/components/confirmationservice/ConfirmationService.d.ts b/components/confirmationservice/ConfirmationService.d.ts
index 27d8cb94f..a329e1600 100644
--- a/components/confirmationservice/ConfirmationService.d.ts
+++ b/components/confirmationservice/ConfirmationService.d.ts
@@ -1,19 +1,32 @@
+/**
+ *
+ * [Live Demo](https://www.primevue.org/confirmdialog/)
+ *
+ * @module confirmationservice
+ *
+ */
 import { Plugin } from 'vue';
 import { ConfirmationOptions } from '../confirmationoptions';
 
 declare const plugin: Plugin;
 export default plugin;
 
+/**
+ * Confirmation Service methods.
+ *
+ * @group Interfaces
+ *
+ */
 export interface ConfirmationServiceMethods {
     /**
      * Displays the dialog using the confirmation object options.
      * @param {ConfirmationOptions} options - Confirmation Object
      */
-    require(options: ConfirmationOptions): void;
+    require: (options: ConfirmationOptions) => void;
     /**
      * Hides the dialog without invoking accept or reject callbacks.
      */
-    close(): void;
+    close: () => void;
 }
 
 declare module 'vue/types/vue' {
diff --git a/components/terminalservice/TerminalService.d.ts b/components/terminalservice/TerminalService.d.ts
index 4292e2b74..7f0ce9fdb 100755
--- a/components/terminalservice/TerminalService.d.ts
+++ b/components/terminalservice/TerminalService.d.ts
@@ -1,11 +1,21 @@
-type TerminalServiceActionType = 'command' | 'response' | undefined;
-
+/**
+ * Confirmation Service methods.
+ *
+ * @group Interfaces
+ *
+ */
 export interface TerminalServiceOptions {
-    on(action: TerminalServiceActionType, fn: any): void;
-    emit(action: TerminalServiceActionType, params?: any): void;
-    off(action: TerminalServiceActionType, fn: any): void;
+    on: (action: 'command' | 'response' | undefined, fn: any) => void;
+    emit: (action: 'command' | 'response' | undefined, params?: any) => void;
+    off: (action: 'command' | 'response' | undefined, fn: any) => void;
 }
 
 declare const TerminalService: TerminalServiceOptions;
 
+/**
+ * [Live Demo](https://www.primevue.org/terminal/)
+ *
+ * @module terminalservice
+ *
+ */
 export default TerminalService;
diff --git a/pages/confirmdialog/index.vue b/pages/confirmdialog/index.vue
index 600521a82..e62eec7d6 100644
--- a/pages/confirmdialog/index.vue
+++ b/pages/confirmdialog/index.vue
@@ -1,5 +1,11 @@
 <template>
-    <DocComponent title="Vue Confirmation Dialog Component" header="ConfirmDialog" description="ConfirmDialog uses a Dialog UI that is integrated with the Confirmation API." :componentDocs="docs" :apiDocs="['ConfirmDialog']" />
+    <DocComponent
+        title="Vue Confirmation Dialog Component"
+        header="ConfirmDialog"
+        description="ConfirmDialog uses a Dialog UI that is integrated with the Confirmation API."
+        :componentDocs="docs"
+        :apiDocs="['ConfirmDialog', 'ConfirmationService', 'ConfirmationOptions']"
+    />
 </template>
 
 <script>
diff --git a/pages/confirmpopup/index.vue b/pages/confirmpopup/index.vue
index 004a18a5c..6bac0b766 100644
--- a/pages/confirmpopup/index.vue
+++ b/pages/confirmpopup/index.vue
@@ -1,5 +1,11 @@
 <template>
-    <DocComponent title="Vue Confirmation Popup Component" header="ConfirmPopup" description="ConfirmPopup displays a confirmation overlay displayed relatively to its target." :componentDocs="docs" :apiDocs="['ConfirmPopup']" />
+    <DocComponent
+        title="Vue Confirmation Popup Component"
+        header="ConfirmPopup"
+        description="ConfirmPopup displays a confirmation overlay displayed relatively to its target."
+        :componentDocs="docs"
+        :apiDocs="['ConfirmPopup', 'ConfirmationService', 'ConfirmationOptions']"
+    />
 </template>
 
 <script>