Menu 
A versatile menu for navigation.
Horizontal 
By setting mode to horizontal, you can use the horizontal menu.
...
Navigation 1
Navigation 2
Navigation 3
Navigation 4
<template>
  <tu-menu mode="horizontal" :default-selected-keys="['1']">
    <tu-menu-item key="1">Navigation 1</tu-menu-item>
    <tu-menu-item key="2">Navigation 2</tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">Navigation 4</tu-menu-item>
  </tu-menu>
</template><template>
  <tu-menu mode="horizontal" :default-selected-keys="['1']">
    <tu-menu-item key="1">Navigation 1</tu-menu-item>
    <tu-menu-item key="2">Navigation 2</tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">Navigation 4</tu-menu-item>
  </tu-menu>
</template>Sider 
Side menu is used in conjunction with the layout component.
Navigation 1
Navigation 2
Navigation 3
Menu 1
Menu 2
Navigation 4
<template>
  <tu-menu
    style="width: 200px; border-radius: 4px"
    :default-selected-keys="['1']"
  >
    <tu-menu-item key="1">Navigation 1</tu-menu-item>
    <tu-menu-item key="2">Navigation 2</tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">Navigation 4</tu-menu-item>
  </tu-menu>
</template><template>
  <tu-menu
    style="width: 200px; border-radius: 4px"
    :default-selected-keys="['1']"
  >
    <tu-menu-item key="1">Navigation 1</tu-menu-item>
    <tu-menu-item key="2">Navigation 2</tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">Navigation 4</tu-menu-item>
  </tu-menu>
</template>Effects 
Menu provide five different themes: outset、inset、bordered、outlined and flat. Using effect to change, default is outset.
Navigation 1
Navigation 2
Navigation 3
Menu 1
Menu 2
Navigation 4
...
Navigation 1
Navigation 2
Navigation 3
Navigation 4
<template>
  <tu-radio-group class="mb-2" v-model="effect" type="button">
    <tu-radio label="default">default</tu-radio>
    <tu-radio label="flat">flat</tu-radio>
    <tu-radio label="outset">outset</tu-radio>
    <tu-radio label="inset">inset</tu-radio>
    <tu-radio label="bordered">bordered</tu-radio>
    <tu-radio label="outlined">outlined</tu-radio>
  </tu-radio-group>
  <tu-menu
    class="mb-2"
    style="width: 200px; border-radius: 4px"
    :effect="effect"
    :default-selected-keys="['1']"
  >
    <tu-menu-item key="1">Navigation 1</tu-menu-item>
    <tu-menu-item key="2">Navigation 2</tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">Navigation 4</tu-menu-item>
  </tu-menu>
  <tu-menu mode="horizontal" :effect="effect" :default-selected-keys="['1']">
    <tu-menu-item key="1">Navigation 1</tu-menu-item>
    <tu-menu-item key="2">Navigation 2</tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">Navigation 4</tu-menu-item>
  </tu-menu>
</template>
<script lang="ts" setup>
import { ref } from 'vue';
const effect = ref('outset');
</script><template>
  <tu-radio-group class="mb-2" v-model="effect" type="button">
    <tu-radio label="default">default</tu-radio>
    <tu-radio label="flat">flat</tu-radio>
    <tu-radio label="outset">outset</tu-radio>
    <tu-radio label="inset">inset</tu-radio>
    <tu-radio label="bordered">bordered</tu-radio>
    <tu-radio label="outlined">outlined</tu-radio>
  </tu-radio-group>
  <tu-menu
    class="mb-2"
    style="width: 200px; border-radius: 4px"
    :effect="effect"
    :default-selected-keys="['1']"
  >
    <tu-menu-item key="1">Navigation 1</tu-menu-item>
    <tu-menu-item key="2">Navigation 2</tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">Navigation 4</tu-menu-item>
  </tu-menu>
  <tu-menu mode="horizontal" :effect="effect" :default-selected-keys="['1']">
    <tu-menu-item key="1">Navigation 1</tu-menu-item>
    <tu-menu-item key="2">Navigation 2</tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">Navigation 4</tu-menu-item>
  </tu-menu>
</template>
<script lang="ts" setup>
import { ref } from 'vue';
const effect = ref('outset');
</script>Collapsed 
Use collapsed to specify the menu to collapse.
 Navigation 1 
 Navigation 2 
Navigation 3
Menu 1
Menu 2
 Navigation 4 
<template>
  <tu-button class="mb-2" @click="collapsed = !collapsed">
    <template #icon>
      <Fold v-if="collapsed" />
      <Expand v-else />
    </template>
  </tu-button>
  <tu-menu style="width: 200px" :default-selected-keys="['1']" :collapsed="collapsed">
    <tu-menu-item key="1">
      <template #icon>
        <tu-icon>
          <Menu />
        </tu-icon>
      </template>
      Navigation 1
    </tu-menu-item>
    <tu-menu-item key="2">
      <template #icon>
        <tu-icon>
          <Tools />
        </tu-icon>
      </template>
      Navigation 2
    </tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <template #icon>
        <tu-icon>
          <UploadFilled />
        </tu-icon>
      </template>
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">
      <template #icon>
        <tu-icon>
          <Promotion />
        </tu-icon>
      </template>
      Navigation 4
    </tu-menu-item>
  </tu-menu>
</template>
<script lang="ts" setup>
import { ref } from 'vue';
import { Fold, Expand, Menu, Tools, UploadFilled, Promotion } from '@tu-view-plus/icons-vue';
const collapsed = ref(false);
</script><template>
  <tu-button class="mb-2" @click="collapsed = !collapsed">
    <template #icon>
      <Fold v-if="collapsed" />
      <Expand v-else />
    </template>
  </tu-button>
  <tu-menu style="width: 200px" :default-selected-keys="['1']" :collapsed="collapsed">
    <tu-menu-item key="1">
      <template #icon>
        <tu-icon>
          <Menu />
        </tu-icon>
      </template>
      Navigation 1
    </tu-menu-item>
    <tu-menu-item key="2">
      <template #icon>
        <tu-icon>
          <Tools />
        </tu-icon>
      </template>
      Navigation 2
    </tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <template #icon>
        <tu-icon>
          <UploadFilled />
        </tu-icon>
      </template>
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">
      <template #icon>
        <tu-icon>
          <Promotion />
        </tu-icon>
      </template>
      Navigation 4
    </tu-menu-item>
  </tu-menu>
</template>
<script lang="ts" setup>
import { ref } from 'vue';
import { Fold, Expand, Menu, Tools, UploadFilled, Promotion } from '@tu-view-plus/icons-vue';
const collapsed = ref(false);
</script>Responsive Collapsed 
set breakpoint for responsive contraction.
 Navigation 1 
 Navigation 2 
Navigation 3
Menu 1
Menu 2
 Navigation 4 
<template>
  <tu-menu style="width: 200px" breakpoint="xl" :default-selected-keys="['1']">
    <tu-menu-item key="1">
      <template #icon>
        <tu-icon> <Menu /> </tu-icon>
      </template>
      Navigation 1
    </tu-menu-item>
    <tu-menu-item key="2">
      <template #icon>
        <tu-icon> <Tools /> </tu-icon>
      </template>
      Navigation 2
    </tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <template #icon>
        <tu-icon> <UploadFilled /> </tu-icon>
      </template>
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">
      <template #icon>
        <tu-icon> <Promotion /> </tu-icon>
      </template>
      Navigation 4
    </tu-menu-item>
  </tu-menu>
</template>
<script lang="ts" setup>
import { Menu, Tools, UploadFilled, Promotion } from '@tu-view-plus/icons-vue';
</script><template>
  <tu-menu style="width: 200px" breakpoint="xl" :default-selected-keys="['1']">
    <tu-menu-item key="1">
      <template #icon>
        <tu-icon> <Menu /> </tu-icon>
      </template>
      Navigation 1
    </tu-menu-item>
    <tu-menu-item key="2">
      <template #icon>
        <tu-icon> <Tools /> </tu-icon>
      </template>
      Navigation 2
    </tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <template #icon>
        <tu-icon> <UploadFilled /> </tu-icon>
      </template>
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">
      <template #icon>
        <tu-icon> <Promotion /> </tu-icon>
      </template>
      Navigation 4
    </tu-menu-item>
  </tu-menu>
</template>
<script lang="ts" setup>
import { Menu, Tools, UploadFilled, Promotion } from '@tu-view-plus/icons-vue';
</script>Sub Menu 
Multiple sub-items can be embedded in the menu, and the items that are opened by default can be set through openKeys.
 Navigation 1 
 Navigation 2 
Navigation 3
Menu 1
Menu 2
 Navigation 4 
<template>
  <tu-menu style="width: 200px; height: 300px" :default-selected-keys="['1']"  show-collapse-button>
    <tu-menu-item key="1">
      <template #icon>
        <tu-icon>
          <Menu />
        </tu-icon>
      </template>
      Navigation 1
    </tu-menu-item>
    <tu-menu-item key="2">
      <template #icon>
        <tu-icon>
          <Tools />
        </tu-icon>
      </template>
      Navigation 2
    </tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <template #icon>
        <tu-icon>
          <UploadFilled />
        </tu-icon>
      </template>
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">
      <template #icon>
        <tu-icon>
          <Promotion />
        </tu-icon>
      </template>
      Navigation 4
    </tu-menu-item>
  </tu-menu>
</template>
<script lang="ts" setup>
import { Menu, Tools, UploadFilled, Promotion } from '@tu-view-plus/icons-vue';
</script><template>
  <tu-menu style="width: 200px; height: 300px" :default-selected-keys="['1']"  show-collapse-button>
    <tu-menu-item key="1">
      <template #icon>
        <tu-icon>
          <Menu />
        </tu-icon>
      </template>
      Navigation 1
    </tu-menu-item>
    <tu-menu-item key="2">
      <template #icon>
        <tu-icon>
          <Tools />
        </tu-icon>
      </template>
      Navigation 2
    </tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <template #icon>
        <tu-icon>
          <UploadFilled />
        </tu-icon>
      </template>
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">
      <template #icon>
        <tu-icon>
          <Promotion />
        </tu-icon>
      </template>
      Navigation 4
    </tu-menu-item>
  </tu-menu>
</template>
<script lang="ts" setup>
import { Menu, Tools, UploadFilled, Promotion } from '@tu-view-plus/icons-vue';
</script>Group Menu 
using tu-menu-group to group.
 Navigation 1 
 Navigation 2 
Navigation 3
Title 1
Menu 1
Menu 2
Title 2
Menu 3
Menu 4
 Navigation 4 
<template>
  <tu-menu
    style="width: 200px"
    :default-selected-keys="['1']"
  >
    <tu-menu-item key="1">
      <template #icon>
        <tu-icon>
          <Menu />
        </tu-icon>
      </template>
      Navigation 1
    </tu-menu-item>
    <tu-menu-item key="2">
      <template #icon>
        <tu-icon>
          <Tools />
        </tu-icon>
      </template>
      Navigation 2
    </tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <template #icon>
        <tu-icon>
          <UploadFilled />
        </tu-icon>
      </template>
      <tu-menu-item-group title="Title 1">
        <tu-menu-item key="3-1">Menu 1</tu-menu-item>
        <tu-menu-item key="3-2">Menu 2</tu-menu-item>
      </tu-menu-item-group>
      <tu-menu-item-group title="Title 2">
        <tu-menu-item key="3-3">Menu 3</tu-menu-item>
        <tu-menu-item key="3-4">Menu 4</tu-menu-item>
      </tu-menu-item-group>
    </tu-sub-menu>
    <tu-menu-item key="4">
      <template #icon>
        <tu-icon>
          <Promotion />
        </tu-icon>
      </template>
      Navigation 4
    </tu-menu-item>
  </tu-menu>
</template>
<script lang="ts" setup>
import { Menu, Tools, UploadFilled, Promotion } from '@tu-view-plus/icons-vue';
</script><template>
  <tu-menu
    style="width: 200px"
    :default-selected-keys="['1']"
  >
    <tu-menu-item key="1">
      <template #icon>
        <tu-icon>
          <Menu />
        </tu-icon>
      </template>
      Navigation 1
    </tu-menu-item>
    <tu-menu-item key="2">
      <template #icon>
        <tu-icon>
          <Tools />
        </tu-icon>
      </template>
      Navigation 2
    </tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <template #icon>
        <tu-icon>
          <UploadFilled />
        </tu-icon>
      </template>
      <tu-menu-item-group title="Title 1">
        <tu-menu-item key="3-1">Menu 1</tu-menu-item>
        <tu-menu-item key="3-2">Menu 2</tu-menu-item>
      </tu-menu-item-group>
      <tu-menu-item-group title="Title 2">
        <tu-menu-item key="3-3">Menu 3</tu-menu-item>
        <tu-menu-item key="3-4">Menu 4</tu-menu-item>
      </tu-menu-item-group>
    </tu-sub-menu>
    <tu-menu-item key="4">
      <template #icon>
        <tu-icon>
          <Promotion />
        </tu-icon>
      </template>
      Navigation 4
    </tu-menu-item>
  </tu-menu>
</template>
<script lang="ts" setup>
import { Menu, Tools, UploadFilled, Promotion } from '@tu-view-plus/icons-vue';
</script>Floating Menu 
Specify mode as pop to use floating menu.
 Navigation 1 
 Navigation 2 
Navigation 3
 Navigation 4 
<template>
  <tu-menu style="width: 200px" mode="pop">
    <tu-menu-item key="1">
      <template #icon>
        <tu-icon>
          <Menu />
        </tu-icon>
      </template>
      Navigation 1
    </tu-menu-item>
    <tu-menu-item key="2">
      <template #icon>
        <tu-icon>
          <Tools />
        </tu-icon>
      </template>
      Navigation 2
    </tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <template #icon>
        <tu-icon>
          <UploadFilled />
        </tu-icon>
      </template>
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">
      <template #icon>
        <tu-icon>
          <Promotion />
        </tu-icon>
      </template>
      Navigation 4
    </tu-menu-item>
  </tu-menu>
</template>
<script lang="ts" setup>
import { Menu, Tools, UploadFilled, Promotion } from '@tu-view-plus/icons-vue';
</script><template>
  <tu-menu style="width: 200px" mode="pop">
    <tu-menu-item key="1">
      <template #icon>
        <tu-icon>
          <Menu />
        </tu-icon>
      </template>
      Navigation 1
    </tu-menu-item>
    <tu-menu-item key="2">
      <template #icon>
        <tu-icon>
          <Tools />
        </tu-icon>
      </template>
      Navigation 2
    </tu-menu-item>
    <tu-sub-menu key="3" title="Navigation 3">
      <template #icon>
        <tu-icon>
          <UploadFilled />
        </tu-icon>
      </template>
      <tu-menu-item key="3-1">Menu 1</tu-menu-item>
      <tu-menu-item key="3-2">Menu 2</tu-menu-item>
    </tu-sub-menu>
    <tu-menu-item key="4">
      <template #icon>
        <tu-icon>
          <Promotion />
        </tu-icon>
      </template>
      Navigation 4
    </tu-menu-item>
  </tu-menu>
</template>
<script lang="ts" setup>
import { Menu, Tools, UploadFilled, Promotion } from '@tu-view-plus/icons-vue';
</script>Floating Button Menu 
By setting mode to popButton, you can use a button group style floating menu.
<template>
  <div class="menu-demo">
    <tu-trigger
      :trigger="['click', 'hover']"
      :popupOffset="20"
      clickClose
      position="top"
      v-model:popupVisible="visible"
    >
      <tu-button class="menu-trigger-demo">Menu</tu-button>
      <template #content>
        <tu-menu style="width: 200px" mode="popButton" showCollapseButton>
          <tu-menu-item key="1">
            <template #icon>
              <tu-icon>
                <Menu />
              </tu-icon>
            </template>
            Navigation 1
          </tu-menu-item>
          <tu-menu-item key="2">
            <template #icon>
              <tu-icon>
                <Tools />
              </tu-icon>
            </template>
            Navigation 2
          </tu-menu-item>
        </tu-menu>
      </template>
    </tu-trigger>
  </div>
</template>
<script lang="ts" setup>
import { ref } from 'vue';
import { Menu, Tools } from '@tu-view-plus/icons-vue';
const visible = ref(false);
</script>
<style lang="scss" scoped>
.menu-demo {
  position: relative;
  box-sizing: border-box;
  width: 660px;
  height: 180px;
  padding: 40px;
}
.menu-trigger-demo{
  position: absolute;
  bottom: 20px;
}
</style><template>
  <div class="menu-demo">
    <tu-trigger
      :trigger="['click', 'hover']"
      :popupOffset="20"
      clickClose
      position="top"
      v-model:popupVisible="visible"
    >
      <tu-button class="menu-trigger-demo">Menu</tu-button>
      <template #content>
        <tu-menu style="width: 200px" mode="popButton" showCollapseButton>
          <tu-menu-item key="1">
            <template #icon>
              <tu-icon>
                <Menu />
              </tu-icon>
            </template>
            Navigation 1
          </tu-menu-item>
          <tu-menu-item key="2">
            <template #icon>
              <tu-icon>
                <Tools />
              </tu-icon>
            </template>
            Navigation 2
          </tu-menu-item>
        </tu-menu>
      </template>
    </tu-trigger>
  </div>
</template>
<script lang="ts" setup>
import { ref } from 'vue';
import { Menu, Tools } from '@tu-view-plus/icons-vue';
const visible = ref(false);
</script>
<style lang="scss" scoped>
.menu-demo {
  position: relative;
  box-sizing: border-box;
  width: 660px;
  height: 180px;
  padding: 40px;
}
.menu-trigger-demo{
  position: absolute;
  bottom: 20px;
}
</style>Menu API 
Menu Attributes 
| Name | Description | Type | Default | 
|---|---|---|---|
| theme | Menu theme | String | light | 
| mode | The mode of menu | String | vertical | 
| effect | Effect of menu | String | outset | 
| level-indent | Indentation between levels | Number | - | 
| auto-open | Expand all multi-level menus by default | Boolean | false | 
| collapsed | Whether to collapse the menu | Boolean | - | 
| default-collapsed | Whether to collapse the menu by default | Boolean | false | 
| collapsed-width | Collapse menu width | Number | - | 
| accordion | Turn on the accordion effect | Boolean | false | 
| auto-scroll-into-view | Whether to automatically scroll the selected item to the visible area | Boolean | false | 
| show-collapse-button | Whether built-in folding button | Boolean | false | 
| selected-keys | The selected menu item key array | Array | - | 
| default-selected-keys | The key array of the menu items selected by default | Array | [] | 
| open-keys | Expanded submenu key array | Array | - | 
| default-open-keys | The default expanded submenu key array | Array | [] | 
| scroll-config | Scroll to the configuration items in the visible area | Object | - | 
| trigger-props | Accept all Props of Trigger in pop-up mode | Object | - | 
| tooltip-props | Accept all Props of ToolTip in pop-up mode | Object | - | 
| auto-open-selected | Expand the selected menus by default | Boolean | false | 
| breakpoint | Responsive breakpoints | String | - | 
| popup-max-height | The maximum height of popover | BooleanNumber | true | 
Menu Events 
| Name | Description | Type | 
|---|---|---|
| collapse | Triggered when the collapsed state changes | Function | 
| menu-item-click | Triggered when the menu item is clicked | Function | 
| sub-menu-click | Triggered when the submenu is clicked | Function | 
Menu Slots 
| Name | Description | 
|---|---|
| collapse-icon | Collapse icon | 
| expand-icon-right | Icon expand right | 
| expand-icon-down | Icon expand down | 
Sub-Menu Attributes 
| Name | Description | Type | Default | 
|---|---|---|---|
| title | The title of the submenu | String | - | 
| selectable | In the pop-up mode, whether the multi-level menu header is also used as a menu item to support the state such as click to select | Boolean | false | 
| popup | Whether to force the use of pop-up mode, level indicates the level of the current submenu | BooleanFunction | false | 
| popup-max-height | The maximum height of popover | BooleanNumber | true | 
Sub-Menu Slots 
| Name | Description | 
|---|---|
| title | Title | 
| expand-icon-right | Icon expand right | 
| expand-icon-down | Icon expand down | 
| icon | The icon of menu item | 
Menu-Item-Group Attributes 
| Name | Description | Type | Default | 
|---|---|---|---|
| title | The title of the menu group | String | - | 
Menu-Item-Group Slots 
| Name | Description | 
|---|---|
| title | Title | 
Menu-Item Attributes 
| Name | Description | Type | Default | 
|---|---|---|---|
| disabled | Whether to disable | Boolean | false | 
Menu-Item Slots 
| Name | Description | 
|---|---|
| icon | The icon of menu item |