Add filter to grid through the FrontEnd

Add filter to grid through the FrontEnd

                   _.set(c.possibleCountries.filter, ['filters', 'groupOp'], 'AND');
                    //exclude selected countries
                    _.set(c.possibleCountries.filter, ['filters', 'rules', 'id'], {
                        field: 'id',
                        op: 'ni',
                        data: c.model.countriesTypeIds
                    });
                    //set filter on EU countries
                    _.set(c.possibleCountries.filter, ['filters', 'rules', 'typeId'], {
                        field: 'typeId',
                        op: 'eq',
                        data: 2
                    });