getCellFilter of ui.spreadsheet, Methods Webix Docs

// setting the cell filter
$$("ssheet").setCellFilter(2, 1, ["", "Europe", "Asia", "America"], "Sheet1");
 
// getting the cell filter
$$("ssheet").getCellFilter(2, 1, "Sheet1"); 
// -> { options: Array(4), row: 2, column: 1 }