How to place alt text in openstreetmap image url?

AmitKumar11

Hello,

I am new to arcgis. I am using ArcGis WebApp Builder to create apps.I am looking for a solution ie how to place alt text in openstreetmap image url.

We can see the alt text is null in this code below.

How can we add?

<div id="map_root" class="esriMapContainer">
<div id="map_container" class="esriMapContainer">
<div id="map_layers" class="esriMapLayers">
<div id="map_OpenStreetMap">
<div>
<img id="map_OpenStreetMap_tile_8_0_0" alt=" " class="layerTile" src="https://b.tile.openstreetmap.org/8/186/109.png">
<img id="map_OpenStreetMap_tile_8_1_0" alt=" " class="layerTile" src="https://c.tile.openstreetmap.org/8/186/110.png">
<img id="map_OpenStreetMap_tile_8_2_0" alt=" " class="layerTile" src="https://a.tile.openstreetmap.org/8/186/111.png">
</div>
</div>
</div>
</div>
</div>

Please Help.