diff --git a/apps/showcase/doc/treeselect/FormDoc.vue b/apps/showcase/doc/treeselect/FormDoc.vue
new file mode 100644
index 000000000..b43c94159
--- /dev/null
+++ b/apps/showcase/doc/treeselect/FormDoc.vue
@@ -0,0 +1,138 @@
+<template>
+    <DocSectionText v-bind="$attrs">
+        <p>TreeSelect is used with the <i>v-model</i> property.</p>
+    </DocSectionText>
+    <div class="card flex justify-center">
+        <Form v-slot="$form" :resolver="resolver" :initialValues="initialValues" @submit="onFormSubmit" class="flex flex-col gap-4 w-full md:w-80">
+            <div class="flex flex-col gap-2">
+                <TreeSelect name="node" :options="nodes" placeholder="Select Item" fluid />
+                <Message v-if="$form.node?.invalid" severity="error">{{ $form.node.errors[0]?.message }}</Message>
+            </div>
+            <Button type="submit" severity="secondary" label="Submit" />
+        </Form>
+    </div>
+    <DocSectionCode :code="code" :dependencies="{ zod: '3.23.8' }" />
+</template>
+
+<script>
+import { zodResolver } from '@primevue/form/resolvers';
+import { z } from 'zod';
+import { NodeService } from '/service/NodeService';
+
+export default {
+    data() {
+        return {
+            initialValues: {
+                node: null
+            },
+            resolver: zodResolver(
+                z.object({
+                    node: z.union([z.record(z.boolean()), z.literal(null)]).refine((obj) => obj !== null && Object.keys(obj).length > 0, { message: 'TreeSelect is required.' })
+                })
+            ),
+            nodes: null,
+            code: {
+                basic: `
+<Form v-slot="$form" :resolver="resolver" :initialValues="initialValues" @submit="onFormSubmit" class="flex flex-col gap-4 w-full md:w-80">
+    <div class="flex flex-col gap-2">
+        <TreeSelect name="node" :options="nodes" placeholder="Select Item" fluid />
+        <Message v-if="$form.node?.invalid" severity="error">{{ $form.node.errors[0]?.message }}</Message>
+    </div>
+    <Button type="submit" severity="secondary" label="Submit" />
+</Form>
+`,
+                options: `
+<template>
+    <div class="card flex justify-center">
+        <Form v-slot="$form" :resolver="resolver" :initialValues="initialValues" @submit="onFormSubmit" class="flex flex-col gap-4 w-full md:w-80">
+            <div class="flex flex-col gap-2">
+                <TreeSelect name="node" :options="nodes" placeholder="Select Item" fluid />
+                <Message v-if="$form.node?.invalid" severity="error">{{ $form.node.errors[0]?.message }}</Message>
+            </div>
+            <Button type="submit" severity="secondary" label="Submit" />
+        </Form>
+    </div>
+</template>
+
+<script>
+import { zodResolver } from '@primevue/form/resolvers';
+import { z } from 'zod';
+import { NodeService } from '/service/NodeService';
+
+export default {
+    data() {
+        return {
+            initialValues: {
+                node: null
+            },
+            resolver: zodResolver(
+                z.object({
+                    node: z.union([z.record(z.boolean()), z.literal(null)]).refine((obj) => obj !== null && Object.keys(obj).length > 0, { message: 'TreeSelect is required.' })
+                })
+            ),
+            nodes: null,
+        }
+    },
+    methods: {
+        onFormSubmit({ valid }) {
+            if (valid) {
+                this.$toast.add({ severity: 'success', summary: 'Form is submitted.', life: 3000 });
+            }
+        }
+    }
+}
+<\/script>
+
+`,
+                composition: `
+<template>
+    <div class="card flex justify-center">
+        <Form v-slot="$form" :resolver="resolver" :initialValues="initialValues" @submit="onFormSubmit" class="flex flex-col gap-4 w-full md:w-80">
+            <div class="flex flex-col gap-2">
+                <TreeSelect name="node" :options="nodes" placeholder="Select Item" fluid />
+                <Message v-if="$form.node?.invalid" severity="error">{{ $form.node.errors[0]?.message }}</Message>
+            </div>
+            <Button type="submit" severity="secondary" label="Submit" />
+        </Form>
+    </div>
+</template>
+
+<script setup>
+import { ref } from 'vue';
+import { zodResolver } from '@primevue/form/resolvers';
+import { useToast } from "primevue/usetoast";
+import { z } from 'zod';
+import { NodeService } from '/service/NodeService';
+
+const toast = useToast();
+const initialValues = ref({
+    node: null
+});
+const resolver = ref(zodResolver(
+    z.object({
+        node: z.union([z.record(z.boolean()), z.literal(null)]).refine((obj) => obj !== null && Object.keys(obj).length > 0, { message: 'TreeSelect is required.' })
+    })
+));
+
+const onFormSubmit = ({ valid }) => {
+    if (valid) {
+        toast.add({ severity: 'success', summary: 'Form is submitted.', life: 3000 });
+    }
+};
+<\/script>
+        `
+            }
+        };
+    },
+    mounted() {
+        NodeService.getTreeNodes().then((data) => (this.nodes = data));
+    },
+    methods: {
+        onFormSubmit({ valid }) {
+            if (valid) {
+                this.$toast.add({ severity: 'success', summary: 'Form is submitted.', life: 3000 });
+            }
+        }
+    }
+};
+</script>
diff --git a/apps/showcase/pages/treeselect/index.vue b/apps/showcase/pages/treeselect/index.vue
index 82c0e1102..bfb6ac6b6 100644
--- a/apps/showcase/pages/treeselect/index.vue
+++ b/apps/showcase/pages/treeselect/index.vue
@@ -18,6 +18,7 @@ import DisabledDoc from '@/doc/treeselect/DisabledDoc.vue';
 import FilledDoc from '@/doc/treeselect/FilledDoc.vue';
 import FilterDoc from '@/doc/treeselect/FilterDoc.vue';
 import FloatLabelDoc from '@/doc/treeselect/FloatLabelDoc.vue';
+import FormDoc from '@/doc/treeselect/FormDoc.vue';
 import IftaLabelDoc from '@/doc/treeselect/IftaLabelDoc.vue';
 import ImportDoc from '@/doc/treeselect/ImportDoc.vue';
 import InvalidDoc from '@/doc/treeselect/InvalidDoc.vue';
@@ -41,6 +42,11 @@ export default {
                     label: 'Basic',
                     component: BasicDoc
                 },
+                {
+                    id: 'form',
+                    label: 'Form',
+                    component: FormDoc
+                },
                 {
                     id: 'multiple',
                     label: 'Multiple',