How to access Vue properties from a jQuery script in mounted?

Question

Vue.js

I create an instance of Vue. Options
var journalRequestsClient = new Vue({

data: {
                filterParam: {
                    status: 0,
                    object: 0,
                    dateStart: '',
                    dateEnd: ''
                }
}

In its mounted property I write

mounted: function () {
                this.$nextTick(function () {
                    $('.datetimepicker').datetimepicker({
                        format: 'dd.mm.yyyy hh:ii:ss',
                        autoclose:true,
                        language: 'ru'
                    })
                    .on('changeDate', function(ev) {
                        var value = $("#selectDateStart").val();
                        this.filterParam.dateStart = value;
                    });
                })
            },

How do I move this from jQuery to Vue now?

Answer 1

in $nextTick: and after
self.filterParam.DateStart = value;

Answer 2

Solution to this question: How does Vue respond to changes in value made via jQuery? fits here too.