WMSLayer = new ol.layer.Tile({
    source: new ol.source.TileWMS(({
        url: serverLink + 'http://10.0.0.49:8686/rest/Spatial/WMS',
        params: {
            'LAYERS': 'Iller',
            'CQL_FILTER': 'TUIK_IL_KODU = 43'
            //'CQL_FILTER': "PLAKANO = '43'"
        },
        transitionEffect: null,
        format: 'image/png'
    }))
});

map.addLayer(WMSLayer);