setValue

sets a new value for the component

void setValue(string|array value, [any config] );

value	string\|array	a new value for the control
config	any	operation config

Example

webix.ui({ 
  view:"multiselect", id:"multi", label:"Participant",
  options:[
    { id:1, value:"Alex Brown" },
    { id:2, value:"Dan Simons" },
    { id:3, value:"John Doe" },  
  ] 
});
 
$$("multi").setValue([1,3]); // selects elements with IDs 1,3

Details

The second parameter can be of any type (from a string to an object). config will be passed to the onChange event as the last parameter.