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Grouping

The AutoComplete supports wrapping nested elements into a group based on different categories. The category of each list item can be mapped through the groupBy field in the data table. The group header is displayed as both inline and fixed headers. The fixed group header content is updated dynamically on scrolling the suggestion list with its category value.

In the following sample, vegetables are grouped according on its category using groupBy field.

Source
Preview
app.vue
<template>
    <div id="app">
    <ejs-autocomplete :dataSource='vegetableData' :fields='fields' :placeholder="waterMark" ></ejs-autocomplete>
  </div>
</template>
<script>
import Vue from 'vue';
import { AutoCompletePlugin } from '@syncfusion/ej2-vue-dropdowns';

Vue.use(AutoCompletePlugin);
export default {
  name: 'app',
   data () {
    return {
      waterMark : 'Find a vegetable',
      vegetableData: [
          { Vegetable: 'Cabbage', Category: 'Leafy and Salad', Id: 'item1' },
    { Vegetable: 'Spinach', Category: 'Leafy and Salad', Id: 'item2' },
    { Vegetable: 'Wheat grass', Category: 'Leafy and Salad', Id: 'item3' },
    { Vegetable: 'Yarrow', Category: 'Leafy and Salad', Id: 'item4' },
    { Vegetable: 'Pumpkins', Category: 'Leafy and Salad', Id: 'item5' },
    { Vegetable: 'Chickpea', Category: 'Beans', Id: 'item6' },
    { Vegetable: 'Green bean', Category: 'Beans', Id: 'item7' },
    { Vegetable: 'Horse gram', Category: 'Beans', Id: 'item8' },
    { Vegetable: 'Garlic', Category: 'Bulb and Stem', Id: 'item9' },
    { Vegetable: 'Nopal', Category: 'Bulb and Stem', Id: 'item10' },
    { Vegetable: 'Onion', Category: 'Bulb and Stem', Id: 'item11' }
            ],
            fields: { groupBy: 'Category', value: 'Vegetable' }
    }
  }
}
</script>
<style>
@import "../../node_modules/@syncfusion/ej2-base/styles/material.css";
@import "../../node_modules/@syncfusion/ej2-vue-inputs/styles/material.css";
@import "../../node_modules/@syncfusion/ej2-vue-dropdowns/styles/material.css";
  #app {
    color: #008cff;
    height: 40px;
    left: 35%;
    position: absolute;
    top: 35%;
    width: 30%;
  }
</style>