config-nl-viewer.xml

<ows-context:OWSContext
    xmlns:ows-context="http://www.opengis.net/ows-context" 
    xmlns:ows="http://www.opengis.net/ows"
    xmlns:xlink="http://www.w3.org/1999/xlink" 
    version="0.3.1" id="ows-context-ex-1-v3">
    <ows-context:General>
        <ows:BoundingBox crs="EPSG:28992">
            <ows:LowerCorner>0 300000</ows:LowerCorner>
            <ows:UpperCorner>300000 630000</ows:UpperCorner>
        </ows:BoundingBox>
    </ows-context:General>
    <ows-context:ResourceList>
        <ows-context:Layer 
            name="{type=wmts,name=grijs}" hidden="false" opacity="1" group="Background layers">
            <ows:Title>BRT Achtergrond</ows:Title>
            <ows-context:Server service="urn:ogc:serviceType:WMS">
                <ows-context:OnlineResource 
                    xlink:href="https://service.pdok.nl/brt/achtergrondkaart/wmts/v2_0?"/>
            </ows-context:Server>
        </ows-context:Layer>
        <ows-context:Layer 
			name="{type=wmts,name=Actueel_ortho25}" hidden="false" opacity="1" group="Background layers">
			<ows:Title>Luchtfoto</ows:Title>
			<ows-context:Server service="urn:ogc:serviceType:WMS">
				<ows-context:OnlineResource 
					xlink:href="https://service.pdok.nl/hwh/luchtfotorgb/wmts/v1_0"/>
			</ows-context:Server>
		</ows-context:Layer>
    </ows-context:ResourceList>
</ows-context:OWSContext>