columns.filterable.dataSource Object|Array|kendo.data.DataSource

The dataSource configuration for the items that will be used when columns.filterable.multi is enabled.

Example - provide custom DataSource for the checkbox filtering.

<div id="grid"></div>
<script>
$("#grid").kendoGrid({
  columns: [ {
    field: "country",
    filterable: {
        multi:true,
        dataSource: [{country: "BG"},{country: "GRM"}, {country: "USA"}]
    }
  } ],
filterable: true,
  dataSource: [ { country: "BG" }, { country: "USA" } ]
});
</script>