diff --git a/doc/treeselect/BasicDoc.vue b/doc/treeselect/BasicDoc.vue
index 5f19ecf2f..5c9c39df3 100644
--- a/doc/treeselect/BasicDoc.vue
+++ b/doc/treeselect/BasicDoc.vue
@@ -51,7 +51,7 @@ export default {
 <template>
     <div class="card flex justify-content-center">
         <TreeSelect v-model="selectedValue" :options="nodes" placeholder="Select Item" class="md:w-20rem w-full" />
-    </div> 
+    </div>
 </template>
 
 <script setup>
diff --git a/doc/treeselect/FilledDoc.vue b/doc/treeselect/FilledDoc.vue
new file mode 100644
index 000000000..675bbb066
--- /dev/null
+++ b/doc/treeselect/FilledDoc.vue
@@ -0,0 +1,99 @@
+<template>
+    <DocSectionText v-bind="$attrs">
+        <p>Specify the <i>variant</i> property as <i>filled</i> to display the component with a higher visual emphasis than the default <i>outlined</i> style.</p>
+    </DocSectionText>
+    <div class="card flex justify-content-center">
+        <TreeSelect v-model="selectedValue" variant="filled" :options="nodes" placeholder="Select Item" class="md:w-20rem w-full" />
+    </div>
+    <DocSectionCode :code="code" :service="['NodeService']" v-bind="$attrs" />
+</template>
+
+<script>
+import { NodeService } from '/service/NodeService';
+
+export default {
+    data() {
+        return {
+            nodes: null,
+            selectedValue: null,
+            code: {
+                basic: `
+<TreeSelect v-model="selectedValue" :options="nodes" placeholder="Select Item" class="md:w-20rem w-full" />
+`,
+                options: `
+<template>
+    <div class="card flex justify-content-center">
+        <TreeSelect v-model="selectedValue" :options="nodes" placeholder="Select Item" class="md:w-20rem w-full" />
+    </div>
+</template>
+
+<script>
+import { NodeService } from './service/NodeService';
+
+export default {
+    data() {
+        return {
+            nodes: null,
+            selectedValue: null,
+        }
+    },
+    mounted() {
+        NodeService.getTreeNodes().then((data) => (this.nodes = data));
+    }
+}
+<\/script>
+`,
+                composition: `
+<template>
+    <div class="card flex justify-content-center">
+        <TreeSelect v-model="selectedValue" :options="nodes" placeholder="Select Item" class="md:w-20rem w-full" />
+    </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue';
+import { NodeService } from './service/NodeService';
+
+const nodes = ref(null);
+const selectedValue = ref(null);
+
+onMounted(() => {
+    NodeService.getTreeNodes().then((data) => (nodes.value = data));
+});
+<\/script>
+`,
+                data: `
+{
+    key: '0',
+    label: 'Documents',
+    data: 'Documents Folder',
+    icon: 'pi pi-fw pi-inbox',
+    children: [
+        {
+            key: '0-0',
+            label: 'Work',
+            data: 'Work Folder',
+            icon: 'pi pi-fw pi-cog',
+            children: [
+                { key: '0-0-0', label: 'Expenses.doc', icon: 'pi pi-fw pi-file', data: 'Expenses Document' },
+                { key: '0-0-1', label: 'Resume.doc', icon: 'pi pi-fw pi-file', data: 'Resume Document' }
+            ]
+        },
+        {
+            key: '0-1',
+            label: 'Home',
+            data: 'Home Folder',
+            icon: 'pi pi-fw pi-home',
+            children: [{ key: '0-1-0', label: 'Invoices.txt', icon: 'pi pi-fw pi-file', data: 'Invoices for this month' }]
+        }
+    ]
+},
+...`
+            }
+        };
+    },
+    mounted() {
+        NodeService.getTreeNodes().then((data) => (this.nodes = data));
+    }
+};
+</script>
diff --git a/pages/treeselect/index.vue b/pages/treeselect/index.vue
index c221fa1e3..e965c0cbf 100644
--- a/pages/treeselect/index.vue
+++ b/pages/treeselect/index.vue
@@ -15,6 +15,7 @@ import AccessibilityDoc from '@/doc/treeselect/AccessibilityDoc.vue';
 import BasicDoc from '@/doc/treeselect/BasicDoc.vue';
 import CheckboxDoc from '@/doc/treeselect/CheckboxDoc.vue';
 import DisabledDoc from '@/doc/treeselect/DisabledDoc.vue';
+import FilledDoc from '@/doc/treeselect/FilledDoc.vue';
 import FloatLabelDoc from '@/doc/treeselect/FloatLabelDoc.vue';
 import ImportDoc from '@/doc/treeselect/ImportDoc.vue';
 import InvalidDoc from '@/doc/treeselect/InvalidDoc.vue';
@@ -51,6 +52,11 @@ export default {
                     label: 'Float Label',
                     component: FloatLabelDoc
                 },
+                {
+                    id: 'filled',
+                    label: 'Filled',
+                    component: FilledDoc
+                },
                 {
                     id: 'invalid',
                     label: 'Invalid',