bootstrap multiselect get selected values

How do I get back on onChange all selected values in my multiselect dropdown. Used plugin here. Trying to use the following but I think I'm on the wrong track

$('#multiselect1').multiselect({
        selectAllValue: 'multiselect-all',
        enableCaseInsensitiveFiltering: true,
        enableFiltering: true,
        maxHeight: '300',
        buttonWidth: '235',
        onChange: function(element, checked) {
            var brands = $('#multiselect1 option:selected');
            var selection = [];
            $(brands).each(function(index, brand){
                selection.push(brand);
            });

            console.log(selection);
        }
    });

found it

$('#multiselect1').multiselect({
    selectAllValue: 'multiselect-all',
    enableCaseInsensitiveFiltering: true,
    enableFiltering: true,
    maxHeight: '300',
    buttonWidth: '235',
    onChange: function(element, checked) {
        var brands = $('#multiselect1 option:selected');
        var selected = [];
        $(brands).each(function(index, brand){
            selected.push([$(this).val()]);
        });

        console.log(selected);
    }
});

the solution what I found to work in my case

$('#multiselect1').multiselect({
    selectAllValue: 'multiselect-all',
    enableCaseInsensitiveFiltering: true,
    enableFiltering: true,
    maxHeight: '300',
    buttonWidth: '235',
    onChange: function(element, checked) {
        var brands = $('#multiselect1 option:selected');
        var selected = [];
        $(brands).each(function(index, brand){
            selected.push([$(this).val()]);
        });

        console.log(selected);
    }
});